RubySec

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GHSA-48wp-p9qv-4j64 (commonmarker): Commonmarker vulnerable to to several quadratic complexity bugs that may lead to denial of service

ADVISORIES

GEM

commonmarker

SEVERITY

CVSS v3.x: 7.5 (High)

PATCHED VERSIONS

  • >= 0.23.9

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-2023-24824
  • CVE-2023-26485

For more information, consult the release notes for versions 0.23.0.gfm.10 and 0.23.0.gfm.11.

Mitigation

Users are advised to upgrade to commonmarker version 0.23.9

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