GHSA-48wp-p9qv-4j64
Commonmarker vulnerable to to several quadratic complexity bugs that may lead to denial of service
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.10 and 0.23.0.gfm.11.
Mitigation
Users are advised to upgrade to commonmarker version 0.23.9.
What each source reports
GitHub AdvisoriesNo score
Commonmarker vulnerable to to several quadratic complexity bugs that may lead to denial of service
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.10 and 0.23.0.gfm.11.
Mitigation
Users are advised to upgrade to commonmarker version 0.23.9.
- Record
GHSA-48wp-p9qv-4j64- Updated
- 2026-11-02
OSVNo score
Commonmarker vulnerable to to several quadratic complexity bugs that may lead to denial of service
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.10 and 0.23.0.gfm.11.
Mitigation
Users are advised to upgrade to commonmarker version 0.23.9.
- Record
GHSA-48wp-p9qv-4j64- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
commonmarkerRubyGems | before 0.23.9 | 0.23.9 |
commonmarkerRubyGems | before 0.23.9, plus listed versions 0.0.10.1.00.1.10.1.20.1.3 Show 45 moreShow less0.10.00.11.00.12.00.13.00.14.00.14.10.14.110.14.120.14.130.14.140.14.150.14.20.14.30.14.40.14.50.14.60.14.70.14.80.14.90.15.00.16.00.16.10.16.20.16.30.16.40.16.50.16.60.16.70.16.80.17.00.17.10.17.100.17.110.17.120.17.130.17.20.17.40.17.50.17.60.17.70.17.7.10.17.80.17.90.18.00.18.1 | 0.23.9 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
GHSA-48wp-p9qv-4j64 is a vulnerability with no CVSS score yet in commonmarker, published April 11, 2023. No source lists public exploit code. Fixed in commonmarker 0.23.9.
References
github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xh
Left out here: 31 versions. The JSON record has them.