Resource exhaustion in GitHub Cmark-Gfm
CVE-2023-22484
cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 are subject to a polynomial time complexity issue in cmark-gfm that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has been patched in 0.29.0.gfm.7.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.010 (59.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- GitHub Cmark-Gfm — versions < 0.29.0.gfm.7
Weakness classification (CWE)
References
- github.com/github/cmark-gfm/security/advisories/GHSA-24f7-9frr-5h2r (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-22484?
- CVE-2023-22484 is a low-severity vulnerability in GitHub Cmark-Gfm, classified under Uncontrolled Resource Consumption. CVSS score: 3.5/10. Published 2023-01-23.
- How severe is CVE-2023-22484?
- Low severity. CVSS v3 base score is 3.5 out of 10.