pygments (PyPI)

Pygments is a generic syntax highlighter written in Python

Advisories

Latest version

2.21.0

Released Aug 17, 2026

License

BSD-2-Clause

OpenSSF Scorecard

6.2 / 10

How to fix

Upgrading to 2.20.0 or later clears every advisory below that has a fix.

Upgrade commands

pip

pip install --upgrade "pygments>=2.21.0"

poetry

poetry add "pygments>=2.21.0"

uv add "pygments>=2.21.0"

Known vulnerabilities

Advisory	Severity	Affected	Fixed in
GHSA-5239-wwwm-4pmq Pygments has Regular Expression Denial of Service (ReDoS) due to Inefficient Regex for GUID Matching	Low EPSS 0.16%	`< 2.20.0`	`2.20.0`
GHSA-5239-wwwm-4pmq Pygments has Regular Expression Denial of Service (ReDoS) due to Inefficient Regex for GUID Matching	Low EPSS 0.16%	`< 2.20.0`	`2.20.0`
GHSA-5239-wwwm-4pmq Pygments has Regular Expression Denial of Service (ReDoS) due to Inefficient Regex for GUID Matching	Low EPSS 0.16%	`< 2.20.0`	`2.20.0`
GHSA-mrwq-x4v8-fh7p Pygments vulnerable to ReDoS	Medium EPSS 0.52%	`< 2.15.0`	`2.15.0`
GHSA-mrwq-x4v8-fh7p Pygments vulnerable to ReDoS	Medium EPSS 0.52%	`< 2.15.1`	`2.15.1`
GHSA-9w8r-397f-prfh Infinite Loop in Pygments	High EPSS 2.76%	`>= 1.5, < 2.7.4`	`2.7.4`
GHSA-9w8r-397f-prfh Infinite Loop in Pygments	High EPSS 2.76%	`>= 1.5, < 2.7.4`	`2.7.4`
GHSA-pq64-v7f5-gqh8 Pygments vulnerable to Regular Expression Denial of Service (ReDoS)	High EPSS 3.91%	`>= 1.1, < 2.7.4`	`2.7.4`
GHSA-pq64-v7f5-gqh8 Pygments vulnerable to Regular Expression Denial of Service (ReDoS)	High EPSS 3.91%	`>= 1.1, < 2.7.4`	`2.7.4`
GHSA-fff8-4w9p-7v76 Command Injection in Pygments	Critical EPSS 6.72%	`>= 1.2.2, < 2.1`	`2.1`
GHSA-fff8-4w9p-7v76 Command Injection in Pygments	Critical EPSS 6.72%	`>= 1.2.2, < 2.1`	`2.1`

Source: https://github.com/pygments/pygments

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