Several quadratic complexity bugs may lead to denial of service in Commonmarker
Published: January 24, 2023
SECURITY IDENTIFIERS
- GHSA: GHSA-636f-xm5j-pj9m
- Vendor Advisory: https://github.com/gjtorikian/commonmarker/security/advisories/GHSA-636f-xm5j-pj9m
GEM
PATCHED VERSIONS
>= 0.23.7
DESCRIPTION
Impact
Several quadratic complexity bugs in commonmarker's underlying cmark-gfm
library may lead to unbounded resource exhaustion and subsequent denial of service.
The following vulnerabilities were addressed:
For more information, consult the release notes for version
0.23.0.gfm.7.
Mitigation
Users are advised to upgrade to commonmarker version 0.23.7.