chore(deps): [repository-management] Update dependency pygments to v2.20.0 [SECURITY]#415
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This PR contains the following updates:
== 2.19.2→==2.20.02.19.2→2.20.0Warning
Some dependencies could not be looked up. Check the Dependency Dashboard for more information.
GitHub Vulnerability Alerts
CVE-2026-4539
A security flaw has been discovered in pygments before 2.20.0. 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.
Pygments has Regular Expression Denial of Service (ReDoS) due to Inefficient Regex for GUID Matching
CVE-2026-4539 / GHSA-5239-wwwm-4pmq
More information
Details
A security flaw has been discovered in pygments before 2.20.0. 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.
Severity
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:PReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
Release Notes
pygments/pygments (pygments)
v2.20.0Compare Source
(released March 29th, 2026)
New lexers:
Updated lexers:
analyse_text(#3028, #3032)]',]?,]!(#2946)__PROPERTY__magic constant (#2924), add reserved keywords (#3002)t-string support (#2973, #3009, #3010).xbrlas file ending (#2890, #2891)Drop Python 3.8, and add Python 3.14 as a supported version (#2987, #3012)
Various improvements to
autopygmentize(#2894)Update
onedarkstyle to support more token types (#2977)Update
rttstyle to support more token types (#2895)Cache entry points to improve performance (#2979)
Fix
xterm-256color table (#3043)Fix
kwargsdictionary getting mutated on each call (#3044)Configuration
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