SARA / Free Tools / CVE / CVE-2023-24824

CVE-2023-24824 — cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library

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 pars

CVSS
5.3 MEDIUM
EPSS
0.30% (top 46.70%)
CWE
CWE-400, CWE-407
Published
2023-03-31T22:01:18.220Z
Last modified
2025-02-11T17:19:40.510Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
githubcmarkgfm — < 0.29.0.gfm.10

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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