CVE catalog

CVE-2020-14059

squid: CVE-2020-14059

Severity: Medium · CVSS 6.3CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Published: Jun 21, 2020, 10:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 4.41% · Oct 25, 2026

An issue was discovered in Squid 5.x before 5.0.3. Due to an Incorrect Synchronization, a Denial of Service can occur when processing objects in an SMP cache because of an Ipc::Mem::PageStack::pop ABA problem during access to the memory page/slot management list.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	squid	sid	`7.7-1`	not affected
Debian	squid	forky	`7.7-1`	not affected
Debian	squid	trixie	`6.13-2+deb13u3`	not affected
Debian	squid	trixie-security	`6.13-2+deb13u2`	not affected
Debian	squid	bookworm	`5.7-2+deb12u5`	not affected
Debian	squid	bookworm-security	`5.7-2+deb12u6`	not affected
Suse	squid	linux enterprise server 12 sp5	`4.12-4.12.1`	fixed
Suse	squid	linux enterprise server for sap applications 12 sp5	`4.12-4.12.1`	fixed
Opensuse	squid	leap 15.1	`4.12-lp151.2.21.1`	fixed
Suse	squid	linux enterprise module for server applications 15 sp1	`4.12-5.20.1`	fixed
Suse	squid	linux enterprise module for server applications 15 sp2	`4.12-5.20.1`	fixed
Suse	squid	linux enterprise high performance computing 15-espos	`4.12-5.20.1`	fixed
Suse	squid	linux enterprise high performance computing 15-ltss	`4.12-5.20.1`	fixed
Suse	squid	linux enterprise server 15-ltss	`4.12-5.20.1`	fixed
Suse	squid	linux enterprise server for sap applications 15	`4.12-5.20.1`	fixed
Opensuse	squid	leap 15.2	`4.12-lp152.2.3.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	squid	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	squid	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	squid	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	squid	source	bookworm	`Not affected`	unimportant	Not reported	Not reported
Suse	squid	rpm	linux enterprise server 12 sp5	`4.12-4.12.1`	Not reported	SUSE-SU-2020:1770-1	Not reported
Suse	squid	rpm	linux enterprise server for sap applications 12 sp5	`4.12-4.12.1`	Not reported	SUSE-SU-2020:1770-1	Not reported
Opensuse	squid	rpm	leap 15.1	`4.12-lp151.2.21.1`	Not reported	OPENSUSE-SU-2020:0910-1	Not reported
Suse	squid	rpm	linux enterprise module for server applications 15 sp1	`4.12-5.20.1`	Not reported	SUSE-SU-2020:1769-1	Not reported
Suse	squid	rpm	linux enterprise module for server applications 15 sp2	`4.12-5.20.1`	Not reported	SUSE-SU-2020:1769-1	Not reported
Suse	squid	rpm	linux enterprise high performance computing 15-espos	`4.12-5.20.1`	Not reported	SUSE-SU-2020:1769-1	Not reported
Suse	squid	rpm	linux enterprise high performance computing 15-ltss	`4.12-5.20.1`	Not reported	SUSE-SU-2020:1769-1	Not reported
Suse	squid	rpm	linux enterprise server 15-ltss	`4.12-5.20.1`	Not reported	SUSE-SU-2020:1769-1	Not reported
Suse	squid	rpm	linux enterprise server for sap applications 15	`4.12-5.20.1`	Not reported	SUSE-SU-2020:1769-1	Not reported
Opensuse	squid	rpm	leap 15.2	`4.12-lp152.2.3.1`	Not reported	OPENSUSE-SU-2020:0914-1	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[squid]Unknown
Details (4)
- 5.7-2+deb12u5 · amd64 · bookworm
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u5 · arm64 · bookworm
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u6 · amd64 · bookworm-security
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u6 · arm64 · bookworm-security
  Not affected
  dsa · squid · debian · bookworm
[squid-cgi]Unknown
Source package: [squid]
Details (4)
- 5.7-2+deb12u5 · amd64 · bookworm
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u5 · arm64 · bookworm
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u6 · amd64 · bookworm-security
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u6 · arm64 · bookworm-security
  Not affected
  dsa · squid · debian · bookworm
[squidclient]Unknown
Source package: [squid]
Details (4)
- 5.7-2+deb12u5 · amd64 · bookworm
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u5 · arm64 · bookworm
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u6 · amd64 · bookworm-security
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u6 · arm64 · bookworm-security
  Not affected
  dsa · squid · debian · bookworm
[squid-common]Unknown
Source package: [squid]
Details (4)
- 5.7-2+deb12u5 · all · bookworm
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u5 · all · bookworm
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u6 · all · bookworm-security
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u6 · all · bookworm-security
  Not affected
  dsa · squid · debian · bookworm
[squid-openssl]Unknown
Source package: [squid]
Details (4)
- 5.7-2+deb12u5 · amd64 · bookworm
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u5 · arm64 · bookworm
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u6 · amd64 · bookworm-security
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u6 · arm64 · bookworm-security
  Not affected
  dsa · squid · debian · bookworm
[squid-purge]Unknown
Source package: [squid]
Details (4)
- 5.7-2+deb12u5 · amd64 · bookworm
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u5 · arm64 · bookworm
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u6 · amd64 · bookworm-security
  Not affected
  dsa · squid · debian · bookworm
- 5.7-2+deb12u6 · arm64 · bookworm-security
  Not affected
  dsa · squid · debian · bookworm

Observed: Oct 23, 2026, 5:47:45 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]