GHSA-jr9p-r423-9m2rHighCVSS 7.5
markdown2 Regular Expression Denial of Service
🔗 CVE IDs covered (1)
📋 Description
markdown2 >=1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of service vulnerability. If an attacker provides a malicious string, it can make markdown2 processing difficult or delayed for an extended period of time.
🎯 Affected products1
- pip/markdown2:>= 1.0.1.18, < 2.4.0
🔗 References (8)
- https://nvd.nist.gov/vuln/detail/CVE-2021-26813
- https://github.com/trentm/python-markdown2/pull/387
- https://github.com/trentm/python-markdown2/commit/7b651260739647de5198323e0445b1618750c374
- https://github.com/advisories/GHSA-jr9p-r423-9m2r
- https://github.com/pypa/advisory-database/tree/main/vulns/markdown2/PYSEC-2021-20.yaml
- https://lists.fedoraproject.org/archives/list/[email protected]/message/BRP5RN35JZTSJ3JT4722F447ZDK7LZS5
- https://lists.fedoraproject.org/archives/list/[email protected]/message/J752422YELXLMLZJPVJVKD2KKHHQRVEH
- https://lists.fedoraproject.org/archives/list/[email protected]/message/JTIX5UXRDJZJ57DO4V33ZNJTNKWGBQLY