CVE-2023-37463 Affecting cmark-gfm package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.1% (43rd percentile)

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  • Snyk IDSNYK-UBUNTU2004-CMARKGFM-5776594
  • published26 Feb 2025
  • disclosed13 Jul 2023

Introduced: 13 Jul 2023

CVE-2023-37463  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:20.04 cmark-gfm.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cmark-gfm package and not the cmark-gfm package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

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.

CVSS Scores

version 3.1