GLSA 202610-01: ca-certificates: Compromised Intermediate Certificate Authority

http://security.gentoo.org/

Severity:	high
Title:	ca-certificates: Compromised Intermediate Certificate Authority
Date:	10/21/2026
Bugs:	#984601
ID:	202610-01

Synopsis

A vulnerability has been discovered in ca-certificates where an intermediate Certificate Authority has been compromised.

Background

For more information on the packages listed in this GLSA, please see their homepage referenced in the ebuild.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-misc/ca-certificates	< 20260816.3.125	>= 20260816.3.125	All supported architectures

Description

A vulnerability has been discovered in ca-certificates. Please review the CVE identifier referenced below for details.

Impact

Man-in-the-middle (MITM) attacks are possible using the compromised authority key.

Workaround

There is no known workaround at this time.

Resolution

All ca-certificates users should upgrade to the latest version:

          # emerge --sync
          # emerge --ask --oneshot --verbose ">=app-misc/ca-certificates-20260816.3.125"

References

CVE-2026-111943

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202610-01.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.