CVE-2019-12528
mediumpriority · track · 34EPSS 0.105 · 96 %ileDEEURUUSEPSS · scored 2026-10-27
An issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non-Squid processes.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedsquid-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-7:3.5.20-17.el7_9.4.src as a component of Red Hat Enterprise Linux Server (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-7:3.5.20-17.el7_9.4.src as a component of Red Hat Enterprise Linux Workstation (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-debuginfo-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-debuginfo-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-debuginfo-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-debuginfo-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-debuginfo-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-debuginfo-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-debuginfo-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-debuginfo-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-debuginfo-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-debuginfo-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-migration-script-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-migration-script-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-migration-script-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-migration-script-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-migration-script-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-sysvinit-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-sysvinit-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-sysvinit-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-sysvinit-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Fixedsquid-sysvinit-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)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 After installing this update, the squid service will be restarted automatically.
https://access.redhat.com/errata/RHSA-2020:4082 - Workaroundsquid-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-7:3.5.20-17.el7_9.4.src as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-7:3.5.20-17.el7_9.4.src as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-debuginfo-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-debuginfo-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-debuginfo-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-debuginfo-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-debuginfo-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-debuginfo-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-debuginfo-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-debuginfo-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-debuginfo-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-debuginfo-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-migration-script-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-migration-script-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-migration-script-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-migration-script-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-migration-script-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-sysvinit-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-sysvinit-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-sysvinit-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-sysvinit-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
- Workaroundsquid-sysvinit-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)redhat_csaf
As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file: acl Safe_ports 21 Then add the following lines to your squid configuration file: acl FTP proto FTP http_access deny FTP
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (60)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- RHSA-2020:4082Red Hat Security Advisory: squid security update2020-09-30csaf · redhat_csafUS
An update for squid is now available for Red Hat Enterprise Linux 7. 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-2023-1361Squid: Mehrere SchwachstellenDeutsch2020-02-03csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Squid ausnutzen, um Informationen offenzulegen, einen Denial of Service zu verursachen, Sicherheitsvorkehrungen zu umgehen oder Code zur Ausführung zu bringen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (53)
External citations — patches, advisories, analysis.
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.htmlcnnvd
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.htmlcnnvd
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.htmlcnnvd
- http://www.nsfocus.net/vulndb/45788cnnvd
- http://www.squid-cache.org/Advisories/SQUID-2020_2.txtcnnvd
- https://access.redhat.com/security/cve/cve-2019-12528cnnvd
- https://lists.debian.org/debian-lts-announce/2020/07/msg00009.htmlcnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G6W2IQ7QV2OGREFFUBNVZIDD3RJBDE4R/cnnvd
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