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)
EPSS: 0.010 (57.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Github Cmark-gfm — versions < 0.29.0.gfm.7
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, 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.