Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2026-4539: 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.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | python3-pygments | 0:2.2.0-3.amzn2.0.4 |
| Amazon Linux · 2 | python3-pygments-doc | 0:2.2.0-3.amzn2.0.4 |
Vulnerabilities 1
-
Low 3.3
pygments archetype.py AdlLexer redos
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…
References
-
web
https://alas.aws.amazon.com/cve/html/CVE-2026-4539.html