GHSA-rgrp-3mvm-5g9jHighCVSS 7.5
python-markdown2 through 2.5.5 contains a denial of service vulnerability that allows remote...
🔗 CVE IDs covered (1)
📋 Description
python-markdown2 through 2.5.5 contains a denial of service vulnerability that allows remote users to exhaust CPU by submitting Markdown with unclosed inline link destinations. Attackers can submit repeated '[a](' or '
- https://nvd.nist.gov/vuln/detail/CVE-2026-118694
- https://github.com/trentm/python-markdown2/issues/750
- https://github.com/trentm/python-markdown2/pull/751
- https://github.com/trentm/python-markdown2
- https://github.com/trentm/python-markdown2/blob/2.5.5/lib/markdown2.py#L1478-L1492
- https://github.com/trentm/python-markdown2/blob/2.5.5/lib/markdown2.py#L3029
- https://www.vulncheck.com/advisories/python-markdown2-through-2.5.5-denial-of-service-via-unclosed-inline-link-destinations
- https://github.com/advisories/GHSA-rgrp-3mvm-5g9j