CVE-2023-37463
MEDIUMcmark-gfm < 0.29.0.gfm.12 - Denial of Service via Polynomial Time Complexity Issues
Title source: llmDescription
cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Markdown syntax with a spec. Three polynomial time complexity issues in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. These vulnerabilities have been patched in 0.29.0.gfm.12.
References (2)
Core 2
Core References
Exploit x_refsource_confirm
https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5
Release Notes x_refsource_misc
https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12
Scores
CVSS v3
6.4
EPSS
0.0059
EPSS Percentile
43.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-400
Status
published
Products (1)
github/cmark-gfm
< 0.29.0.gfm.12
Published
Jul 13, 2023
Tracked Since
Feb 18, 2026