Vulnerability Description
cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. A polynomial time complexity issue in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. This CVE covers quadratic complexity issues when parsing text which leads with either large numbers of `>` or `-` characters. This issue has been addressed in version 0.29.0.gfm.10. Users are advised to upgrade. Users unable to upgrade should validate that their input comes from trusted sources.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Github | Cmark-Gfm | < 0.29.0.gfm.10. |
Related Weaknesses (CWE)
References
- https://github.com/github/cmark-gfm/commit/2300c1bd2c8226108885bf019655c4159cf26Patch
- https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xhExploitVendor Advisory
- https://github.com/github/cmark-gfm/commit/2300c1bd2c8226108885bf019655c4159cf26Patch
- https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xhExploitVendor Advisory
FAQ
What is CVE-2023-24824?
CVE-2023-24824 is a vulnerability with a CVSS score of 5.3 (MEDIUM). cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. A polynomial time complexity issue in cmark-gfm may lead to unbounded resource exhaustion and subseque...
How severe is CVE-2023-24824?
CVE-2023-24824 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-24824?
Check the references section above for vendor advisories and patch information. Affected products include: Github Cmark-Gfm.