Amazon Linux 2023 Security Advisory: ALAS2023-2026-2151
Advisory Released Date: 2026-09-14
Advisory Updated Date: 2026-09-14
Severity:
Important
Issue Overview:
Backtracking leads to exponential load time in libyaml library. (CVE-2026-63676)
Affected Packages:
perl-YAML
Issue Correction:
Run dnf update perl-YAML --releasever 2023.12.20260914 or dnf update --advisory ALAS2023-2026-2151 --releasever 2023.12.20260914 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
noarch:
perl-YAML-tests-1.31-7.amzn2023.0.2.noarch
perl-YAML-1.31-7.amzn2023.0.2.noarch
src:
perl-YAML-1.31-7.amzn2023.0.2.src