CVE-2023-37463

PoC —

CVSS 3.1

7.5 high

EPSS

<1%p51

Published

Jul 13, 2023 (Jul 13, 2023)

Modified

Jun 17, 2026

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.

Vendors: github
Products: cmark-gfm
Weakness: CWE-400
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.7%)

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