Inefficient Regular Expression Complexity Affecting python3.14-pip package, versions *


Severity

Recommended
0.0
low
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.01% (1st percentile)

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  • Snyk IDSNYK-CENTOS10-PYTHON314PIP-15766739
  • published26 Mar 2026
  • disclosed22 Mar 2026

Introduced: 22 Mar 2026

CVE-2026-4539  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

There is no fixed version for Centos:10 python3.14-pip.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.14-pip package and not the python3.14-pip package as distributed by Centos. See How to fix? for Centos:10 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1