GHSA-fw3v-x4f2-v673HighCVSS 8.6
Mistune vulnerable to catastrophic backtracking
🔗 CVE IDs covered (1)
📋 Description
In Mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking.
🎯 Affected products1
- pip/mistune:>= 2.0.0a1, < 2.0.3
🔗 References (8)
- https://nvd.nist.gov/vuln/detail/CVE-2022-34749
- https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2
- https://github.com/lepture/mistune/releases
- https://github.com/pypa/advisory-database/tree/main/vulns/mistune/PYSEC-2022-237.yaml
- https://github.com/lepture/mistune/issues/314#issuecomment-1223972386
- https://github.com/lepture/mistune/commit/ca1e7b506850f4e488823fc7338b49a8f9852718
- https://lists.fedoraproject.org/archives/list/[email protected]/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63
- https://github.com/advisories/GHSA-fw3v-x4f2-v673