CVE-2022-23959

mediumpriority · track · 37EPSS 0.020 · 81 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.01% (81st) EPSS

CVSS 6.4 · medium

Is it mine?

69 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise (Cache Plus) 4.1.x before 4.1.11r6 and 6.0.x before 6.0.9r4, request smuggling can occur for HTTP/1 connections.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedvarnish-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.src (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-devel-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-devel-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-devel-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-devel-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-docs-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-docs-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-docs-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-docs-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-modules-0:0.15.0-4.module+el8+2481+4078e9d2.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-modules-0:0.15.0-4.module+el8+2481+4078e9d2.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-modules-0:0.15.0-4.module+el8+2481+4078e9d2.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-modules-0:0.15.0-4.module+el8+2481+4078e9d2.src (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-modules-0:0.15.0-4.module+el8+2481+4078e9d2.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-modules-debuginfo-0:0.15.0-4.module+el8+2481+4078e9d2.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-modules-debuginfo-0:0.15.0-4.module+el8+2481+4078e9d2.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-modules-debuginfo-0:0.15.0-4.module+el8+2481+4078e9d2.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-modules-debuginfo-0:0.15.0-4.module+el8+2481+4078e9d2.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-modules-debugsource-0:0.15.0-4.module+el8+2481+4078e9d2.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-modules-debugsource-0:0.15.0-4.module+el8+2481+4078e9d2.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-modules-debugsource-0:0.15.0-4.module+el8+2481+4078e9d2.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-modules-debugsource-0:0.15.0-4.module+el8+2481+4078e9d2.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0421
Fixedvarnish-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.src (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-devel-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-devel-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-devel-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-devel-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-docs-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-docs-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-docs-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-docs-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.src (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Fixedvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:0422
Workaroundvarnish-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.src (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-devel-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-devel-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-devel-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-devel-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-docs-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-docs-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-docs-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-docs-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-0:0.15.0-4.module+el8+2481+4078e9d2.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-0:0.15.0-4.module+el8+2481+4078e9d2.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-0:0.15.0-4.module+el8+2481+4078e9d2.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-0:0.15.0-4.module+el8+2481+4078e9d2.src (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-0:0.15.0-4.module+el8+2481+4078e9d2.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debuginfo-0:0.15.0-4.module+el8+2481+4078e9d2.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debuginfo-0:0.15.0-4.module+el8+2481+4078e9d2.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debuginfo-0:0.15.0-4.module+el8+2481+4078e9d2.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debuginfo-0:0.15.0-4.module+el8+2481+4078e9d2.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debugsource-0:0.15.0-4.module+el8+2481+4078e9d2.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debugsource-0:0.15.0-4.module+el8+2481+4078e9d2.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debugsource-0:0.15.0-4.module+el8+2481+4078e9d2.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debugsource-0:0.15.0-4.module+el8+2481+4078e9d2.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.src (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-devel-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-devel-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-devel-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-devel-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-docs-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-docs-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-docs-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-docs-0:6.0.6-2.module+el8.4.0+14090+331e4860.2.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.src (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.
Workaroundvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)redhat_csaf
This issue can be mitigated by ensuring that the Varnish server does not allow connection reuse on HTTP/1 client connections once a request body has been seen on the connection. This requires changes in the VCL configuration.

cvss

Technical severity, 0–10. One row per scoring source.

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.4–9.1

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 4.9

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 5.2

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-444USprimaryCWE-444US

affected products (69)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
n/a n/a≤ n/aenisa_euvdEU
debian debian linux= 10.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 11.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 9.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
fedoraproject fedora= 35nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
varnish cache project varnish cache7.0.0 → 7.0.2nvdUScpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:*
varnish-software varnich cache1.0.0 → 6.6.2nvdUScpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:*:*:*:*
varnish-software varnich cache= 4.1nvdUScpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:*:*:*:*
varnish-software varnich cache4.1.1 → 4.1.11r6nvdUScpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:*:*:*:*
varnish-software varnish cache6.0.0 → 6.0.10nvdUScpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:*:*:*:*
varnish-software varnish cache plus6.0.0 → 6.0.9r4nvdUScpe:2.3:a:varnish-software:varnish_cache_plus:*:*:*:*:*:*:*:*
Bitnami varnish7.0.0 → 7.0.2osvUSpkg:bitnami/varnish
varnish-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)all versionsfixedredhat_csafUS
varnish-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)all versionsfixedredhat_csafUS
varnish-0:6.0.2-2.module+el8.2.0+14091+b587eafb.1.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)all versionsfixedredhat_csafUS

showing 20 of 69

advisories (4)

Vendor and ecosystem advisories describing this.

RHSA-2022:0421Red Hat Security Advisory: varnish:6 security update2022-02-03csaf · redhat_csafUS
An update for the varnish:6 module is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
RHSA-2022:0422Red Hat Security Advisory: varnish:6 security update2022-02-03csaf · redhat_csafUS
An update for the varnish:6 module is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
WID-SEC-W-2022-0198Varnish HTTP Cache: Schwachstelle ermöglicht Offenlegung von Informationen und Cache PoisoningDeutsch2022-01-25csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Varnish HTTP Cache ausnutzen, um Informationen offenzulegen und ein Cache Poisoning zu verursachen.
BIT-varnish-2022-239592024-03-06vendor · osvUS
In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise (Cache Plus) 4.1.x before 4.1.11r6 and 6.0.x before 6.0.9r4, request smuggling can occur for HTTP/1 connections.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv redhat_csaf NVD CVE.org MITRE

published 2022-01-26modified 2026-06-17

related (553)

Related entries.

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+548 more

references (25)

External citations — patches, advisories, analysis.

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