GHSA-5239-wwwm-4pmq: Pygments fixed in 2.20.0 and 2.19.2

GHSA-5239-wwwm-4pmq PUBLISHED CVSS 3.299999952316284 LOW

Record from GitHub Advisory Database · Published March 22, 2026

Pygments is fixed in 2.20.0 and 2.19.2 (PyPI)

Pygments has Regular Expression Denial of Service (ReDoS) due to Inefficient Regex for GUID Matching

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
Pygments	PyPI	2.20.0, 2.19.2
ansible-operator-fips	Chainguard	1.42.2-r8
datadog-agent-7.80	Wolfi	7.80.4-r10
airflow-2	Chainguard	2.11.2-r4
pypy-3.11	Chainguard	7.3.23-r4
opal	Chainguard	0.9.4-r0
pgadmin4	Chainguard	9.13-r3
nvidia-nsight-compute-13.3	Chainguard	2026.2.1.5-r1
kserve	Wolfi	0.16.0-r24
neuvector-manager	Chainguard	5.5.0-r2
prefect-fips	Chainguard	3.6.24-r0
py3-pipenv	Wolfi	2026.8.0-r0

86 more packages have a fixed version. See every fix in Lookup.

Risk scores

CVSS 3.1

3.299999952316284

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected products

Vendor	Product	Versions
chainguard	ansible-operator-fips	0
wolfi	datadog-agent-7.80	0
chainguard	airflow-2	0
chainguard	pypy-3.11	0
PyPI	Pygments
chainguard	opal	0
chainguard	pgadmin4	0
chainguard	nvidia-nsight-compute-13.3	0
wolfi	kserve	0
chainguard	neuvector-manager	0
chainguard	prefect-fips	0
wolfi	py3-pipenv	0
chainguard	tensorflow-gpu-jupyter	0
wolfi	semgrep	0
wolfi	datadog-agent-7.74	0
PyPI	Pygments	0
chainguard	nemo-rl-cuda-13.0	0
chainguard	py3-pygments	0
chainguard	apache-beam-python-3.11-sdk	0
wolfi	superset-5.0	0

…and 89 more

Timeline

Mar 22, 2026 CVE Published
Apr 8, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-5239-wwwm-4pmq
vulnetix vdb fixes GHSA-5239-wwwm-4pmq

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-5239-wwwm-4pmq/fixes/registry"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

References

Look up in the Resolve Platform →