Main Vulnerability Database Vulnerabilities #VU117357

Information exposure through externally-generated error message in Squid - CVE-2025-62168

Published: October 17, 2025 / Updated: November 7, 2025

Vulnerability identifier: #VU117357

CSH Severity: Low

CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-62168

CWE-ID: CWE-211

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application while handling error conditions. A remote authenticated user can identify security tokens or credentials used internally by a web application using Squid for backend load balancing.

Affected software

Squid
Debian Linux
SUSE Manager Server 4.3
SUSE Manager Retail Branch Server 4.3
SUSE Manager Proxy 4.3
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Real Time 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
Anolis OS
SUSE Enterprise Storage
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Server Applications Module
openSUSE Leap
Ubuntu
openEuler
Fedora
Oracle Solaris
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
libecap-devel
libecap
squid (Ubuntu package)
squid-sysvinit
squid
squid-migration-script
squid (Red Hat package)
squid-debugsource
squid-debuginfo
squid (Debian package)
squid-doc

How to mitigate CVE-2025-62168

Install updates from vendor's website.

Squid - update to 7.2
libecap-devel - update to 1.0.1-2.0.1
libecap - update to 1.0.1-2.0.1
squid (Ubuntu package) - addressed in versions 3.5.12-1ubuntu7.16+esm5, 3.5.27-1ubuntu1.14+esm4, 4.10-1ubuntu1.13+esm1, 5.9-0ubuntu0.22.04.4, 6.13-0ubuntu0.24.04.3, 6.13-1ubuntu1.2, 6.13-1ubuntu4.1
squid-sysvinit - update to 3.5.20-17
squid - addressed in versions 3.5.20-17, 4.15-13, 7.2-1
squid-migration-script - update to 3.5.20-17
squid (Red Hat package) - addressed in versions 3.5.20-17.el7_9.15, 5.2-1.el9_0.9, 5.5-5.el9_2.10, 5.5-13.el9_4.4, 6.10-5.el10_0.1
squid-debugsource - addressed in versions 4.9-25, 4.9-29, 6.6-6
squid-debuginfo - addressed in versions 4.9-25, 4.9-29, 6.6-6
squid - addressed in versions 4.9-25, 4.9-29, 6.6-6
squid-debugsource - addressed in versions 4.17-4.59.1, 4.17-150000.5.58.1, 5.7-150400.3.38.2, 6.10-150600.3.14.1
squid - addressed in versions 4.17-4.59.1, 4.17-150000.5.58.1, 5.7-150400.3.38.2, 6.10-150600.3.14.1
squid-debuginfo - addressed in versions 4.17-4.59.1, 4.17-150000.5.58.1, 5.7-150400.3.38.2, 6.10-150600.3.14.1
squid (Debian package) - addressed in versions 5.7-2+deb12u4, 6.13-2+deb13u1
squid - addressed in versions 6.14-1.fc41, 6.14-1.fc42
squid-doc - update to 7.2-1
Oracle Solaris - addressed in versions 11.3 ESU 36.35, 11.4 SRU 89

Links to Public Exploits and PoC-codes

External References

https://github.com/squid-cache/squid/security/advisories/GHSA-c8cc-phh7-xmxr