Amazon Linux 2023 Security Advisory: ALAS2023-2026-1973
Advisory Released Date: 2026-07-20
Advisory Updated Date: 2026-07-20
Severity:
Low
Issue Overview:
A security flaw has been discovered in pygments up to 2.19.2. The impacted element is the function AdlLexer of the file pygments/lexers/archetype.py. The manipulation results in inefficient regular expression complexity. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet. (CVE-2026-4539)
Affected Packages:
python-pygments
Issue Correction:
Run dnf update python-pygments --releasever 2023.12.20260720 or dnf update --advisory ALAS2023-2026-1973 --releasever 2023.12.20260720 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:
python3-pygments-2.7.4-1.amzn2023.0.3.noarch
src:
python-pygments-2.7.4-1.amzn2023.0.3.src