Amazon Linux 2023 Security Advisory: ALAS2023-2025-1329
Advisory Released Date: 2026-01-07
Advisory Updated Date: 2026-01-07
Severity:
Medium
Issue Overview:
crypto/x509: excluded subdomain constraint does not restrict wildcard SANs
An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com. (CVE-2025-61727)
Affected Packages:
docker
Issue Correction:
Run dnf update docker --releasever 2023.10.20260105 or dnf update --advisory ALAS2023-2025-1329 --releasever 2023.10.20260105 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
docker-debuginfo-25.0.13-1.amzn2023.0.3.aarch64
docker-25.0.13-1.amzn2023.0.3.aarch64
docker-debugsource-25.0.13-1.amzn2023.0.3.aarch64
src:
docker-25.0.13-1.amzn2023.0.3.src
x86_64:
docker-debuginfo-25.0.13-1.amzn2023.0.3.x86_64
docker-25.0.13-1.amzn2023.0.3.x86_64
docker-debugsource-25.0.13-1.amzn2023.0.3.x86_64