CVE-2020-25275

mediumpriority · track · 32EPSS 0.047 · 92 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

4.72% (92nd) EPSS

CVSS 5 · medium

Is it mine?

95 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.

remediations

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

A vendor fix is available.

Fixeddovecot-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-1:2.3.8-9.el8.src as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-debuginfo-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-debugsource-1:2.3.8-9.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-debugsource-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-debugsource-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-debugsource-1:2.3.8-9.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-debugsource-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-debugsource-1:2.3.8-9.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-debugsource-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-debugsource-1:2.3.8-9.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-debugsource-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-devel-1:2.3.8-9.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-devel-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-devel-1:2.3.8-9.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-devel-1:2.3.8-9.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-devel-1:2.3.8-9.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-mysql-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-mysql-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-mysql-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-mysql-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-mysql-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-mysql-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-mysql-debuginfo-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-mysql-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-mysql-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-mysql-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-mysql-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-mysql-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-mysql-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pgsql-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pgsql-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pgsql-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pgsql-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pgsql-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-pgsql-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pgsql-debuginfo-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-pgsql-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-pgsql-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pgsql-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-pgsql-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pgsql-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-pgsql-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pigeonhole-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pigeonhole-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pigeonhole-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pigeonhole-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Fixeddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)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-2021:1887
Fixeddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)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-2021:1887
Workarounddovecot-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-1:2.3.8-9.el8.src as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debuginfo-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debugsource-1:2.3.8-9.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debugsource-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debugsource-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debugsource-1:2.3.8-9.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debugsource-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debugsource-1:2.3.8-9.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debugsource-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debugsource-1:2.3.8-9.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-debugsource-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-devel-1:2.3.8-9.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-devel-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-devel-1:2.3.8-9.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-devel-1:2.3.8-9.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-devel-1:2.3.8-9.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-mysql-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-mysql-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-mysql-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-mysql-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-mysql-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-mysql-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-mysql-debuginfo-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-mysql-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-mysql-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-mysql-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-mysql-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-mysql-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-mysql-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pgsql-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pgsql-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pgsql-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pgsql-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pgsql-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pgsql-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pgsql-debuginfo-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pgsql-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pgsql-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pgsql-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pgsql-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pgsql-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pgsql-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pigeonhole-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pigeonhole-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pigeonhole-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pigeonhole-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.
Workarounddovecot-pigeonhole-debuginfo-1:2.3.8-9.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
A potential mitigation is configuring the mail transfer agent to not accept messages with more than 10,000 MIME parts.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20USCWE-20US

affected products (95)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
Open Source Arch Linuxall versionscert_bundDEcpe:/o:archlinux:archlinux:-
Open Source Dovecot <2.3.13all versionscert_bundDE
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source Dovecot< 2.3.13cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
Canonical Ltd. Ubuntu≤ 18.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 20.10fstec_bduRU
Canonical Ltd. Ubuntu≤ 20.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 14.04 ESMfstec_bduRU
Canonical Ltd. Ubuntu≤ 16.04 LTSfstec_bduRU
Fedora Project Fedora≤ 32fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 8fstec_bduRU
Timo Sirainen Dovecot2.3.11 → 2.3.13fstec_bduRU
АО «ИВК» Альт 8 СПall versionsfstec_bduRU
АО «Концерн ВНИИНС» ОС ОН «Стрелец»≤ 16.01.2023fstec_bduRU

showing 20 of 95

advisories (2)

Vendor and ecosystem advisories describing this.

RHSA-2021:1887Red Hat Security Advisory: dovecot security and bug fix update2021-05-18csaf · redhat_csafUS
An update for dovecot is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. 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-2025-0234Dovecot: Mehrere SchwachstellenDeutsch2021-01-04csaf · cert_bundDE
Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in Dovecot ausnutzen, um Sicherheitsvorkehrungen zu umgehen und um einen Denial of Service Zustand herbeizuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund redhat_csaf NVD CVE.org MITRE

published 2021-01-04modified 2026-06-17

related (25,176)

Related entries.

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+25171 more

references (36)

External citations — patches, advisories, analysis.

scry

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