1. Ubuntu Security Notices
  2. USN-7319-1

USN-7319-1: cmark-gfm vulnerabilities

Publication date

3 March 2025

Overview

Several security issues were fixed in cmark-gfm.

Releases

Packages

  • cmark-gfm - CommonMark parsing and rendering program, GitHub flavor

Details

It was discovered that cmark-gfm’s autolink extension did not correctly
handle parsing large inputs. An attacker could possibly use this issue
to cause a denial of service. This issue only affected Ubuntu 20.04 LTS
and Ubuntu 22.04 LTS. (CVE-2022-39209)

It was discovered that cmark-gfm did not correctly handle parsing large
inputs. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and
Ubuntu 24.10. (CVE-2023-22483)

It was discovered that cmark-gfm did not correctly handle parsing large
inputs. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 24.10.
(CVE-2023-22484)

It was discovered that cmark-gfm did not correctly handle parsing large
inputs. An...

It was discovered that cmark-gfm’s autolink extension did not correctly
handle parsing large inputs. An attacker could possibly use this issue
to cause a denial of service. This issue only affected Ubuntu 20.04 LTS
and Ubuntu 22.04 LTS. (CVE-2022-39209)

It was discovered that cmark-gfm did not correctly handle parsing large
inputs. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and
Ubuntu 24.10. (CVE-2023-22483)

It was discovered that cmark-gfm did not correctly handle parsing large
inputs. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 24.10.
(CVE-2023-22484)

It was discovered that cmark-gfm did not correctly handle parsing large
inputs. An attacker could possibly use this issue to cause a denial of
service. (CVE-2023-22486, CVE-2023-26485)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
24.10 oracular cmark-gfm –  0.29.0.gfm.6-6ubuntu0.24.10.1
24.04 noble cmark-gfm –  0.29.0.gfm.6-6ubuntu0.24.04.1~esm1  
22.04 jammy cmark-gfm –  0.29.0.gfm.3-3ubuntu0.1~esm1  
20.04 focal cmark-gfm –  0.29.0.gfm.0-4ubuntu0.1~esm1  

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References

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