CVE-2023-24824
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductGithub Cmark-gfm
PublishedMar 31, 2023
First seenMar 31, 2023
How to fix
Update
- github cmark-gfm0.29.0.gfm.10. or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| github cmark-gfm | v < 0.29.0.gfm.10. | 0.29.0.gfm.10. |
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