ADVISORIES

• GHSA-7vh7-fw88-wj87
• Vendor Advisory

GEM

commonmarker

PATCHED VERSIONS

• >= 0.23.10

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:

• CVE-2023-37463

For more information, consult the release notes for version 0.29.0.gfm.12.

Mitigation

Users are advised to upgrade to commonmarker version 0.23.10.

RELATED

• https://github.com/gjtorikian/commonmarker/security/advisories/GHSA-7vh7-fw88-wj87
• https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12
• https://github.com/gjtorikian/commonmarker/commit/db8cd377b54541f7fd484d168b7682a282a680f7
• https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5
• https://rubygems.org/gems/commonmarker/versions/0.23.10
• https://github.com/advisories/GHSA-7vh7-fw88-wj87