CVE-2023-24824
Last modified
CVE-2023-24824 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.03% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Github | Cmark-Gfm | < 0.29.0.gfm.10. |
References
- https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xhExploit, Vendor Advisory
- https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xhExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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