{"id":"GHSA-7vh7-fw88-wj87","aliases":[],"status":"published","title":"Several quadratic complexity bugs may lead to denial of service in Commonmarker","description":"## Impact\n\nSeveral quadratic complexity bugs in commonmarker's underlying [`cmark-gfm`](https://github.com/github/cmark-gfm) library may lead to unbounded resource exhaustion and subsequent denial of service.\n\nThe following vulnerabilities were addressed:\n\n* [CVE-2023-37463](https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5)\n\nFor more information, consult the release notes for version [`0.29.0.gfm.12`](https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12).\n\n## Mitigation\n\nUsers are advised to upgrade to commonmarker version [`0.23.10`](https://rubygems.org/gems/commonmarker/versions/0.23.10).","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-407"],"published":"2023-08-08T17:12:00Z","modified":"2024-12-01T05:31:38Z","fixes":[{"ecosystem":"RubyGems","package":"commonmarker","fixed_in":["0.23.10"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"commonmarker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.23.10"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"commonmarker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.23.10"}]}],"versions":["0.0.1","0.1.0","0.1.1","0.1.2","0.1.3","0.10.0","0.11.0","0.12.0","0.13.0","0.14.0","0.14.1","0.14.11","0.14.12","0.14.13","0.14.14","0.14.15","0.14.2","0.14.3","0.14.4","0.14.5","0.14.6","0.14.7","0.14.8","0.14.9","0.15.0","0.16.0","0.16.1","0.16.2","0.16.3","0.16.4","0.16.5","0.16.6","0.16.7","0.16.8","0.17.0","0.17.1","0.17.10","0.17.11","0.17.12","0.17.13","0.17.2","0.17.4","0.17.5","0.17.6","0.17.7","0.17.7.1","0.17.8","0.17.9","0.18.0","0.18.1","0.18.2","0.19.0","0.2.0","0.2.1","0.20.0","0.20.1","0.20.2","0.21.0","0.21.1","0.21.2","0.22.0","0.23.0","0.23.1","0.23.2","0.23.4","0.23.5","0.23.6","0.23.7","0.23.7.pre1","0.23.8","0.23.9","0.3.0","0.4.0","0.4.1","0.5.0","0.5.1","0.6.0","0.7.0","0.8.0","0.9.0","0.9.1","0.9.2"]}],"references":[{"url":"https://github.com/gjtorikian/commonmarker/security/advisories/GHSA-7vh7-fw88-wj87","tags":["web"]},{"url":"https://github.com/gjtorikian/commonmarker/commit/db8cd377b54541f7fd484d168b7682a282a680f7","tags":["web"]},{"url":"https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12","tags":["web"]},{"url":"https://rubygems.org/gems/commonmarker/versions/0.23.10","tags":["web"]},{"url":"https://github.com/advisories/GHSA-7vh7-fw88-wj87"},{"url":"https://github.com/gjtorikian/commonmarker","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-7vh7-fw88-wj87","title":"Several quadratic complexity bugs may lead to denial of service in Commonmarker","description":"## Impact\n\nSeveral quadratic complexity bugs in commonmarker's underlying [`cmark-gfm`](https://github.com/github/cmark-gfm) library may lead to unbounded resource exhaustion and subsequent denial of service.\n\nThe following vulnerabilities were addressed:\n\n* [CVE-2023-37463](https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5)\n\nFor more information, consult the release notes for version [`0.29.0.gfm.12`](https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12).\n\n## Mitigation\n\nUsers are advised to upgrade to commonmarker version [`0.23.10`](https://rubygems.org/gems/commonmarker/versions/0.23.10).","status":"published","published":"2023-08-08T17:12:00Z","modified":"2023-08-17T05:02:35Z","cwes":["CWE-407"],"updated_at":"2026-11-02T14:37:00.074932Z"}],"osv":[{"id":"GHSA-7vh7-fw88-wj87","title":"Several quadratic complexity bugs may lead to denial of service in Commonmarker","description":"## Impact\n\nSeveral quadratic complexity bugs in commonmarker's underlying [`cmark-gfm`](https://github.com/github/cmark-gfm) library may lead to unbounded resource exhaustion and subsequent denial of service.\n\nThe following vulnerabilities were addressed:\n\n* [CVE-2023-37463](https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5)\n\nFor more information, consult the release notes for version [`0.29.0.gfm.12`](https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12).\n\n## Mitigation\n\nUsers are advised to upgrade to commonmarker version [`0.23.10`](https://rubygems.org/gems/commonmarker/versions/0.23.10).","status":"published","published":"2023-08-08T17:12:00Z","modified":"2024-12-01T05:31:38.658446Z","cwes":["CWE-407"],"updated_at":"2026-11-02T15:46:41.349637Z"}]}}