ALAS2023-2026-2151


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