CVE-2023-37463

Quadratic complexity bugs may lead to a denial of service

State: Published
Severity: 6.4 Medium
Published: Jul 13, 2023
Updated: Oct 30, 2024
Reserved: Jul 6, 2023

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	6.4 Medium	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H	GitHub_M

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
cmark-gfmgithub	< 0.29.0.gfm.12Affected

References

https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5
https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12

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