USN-7319-1: cmark-gfm vulnerabilities
3 March 2025
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 attacker could possibly use this issue to cause a denial of
service. (CVE-2023-22486, CVE-2023-26485)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 24.10
Ubuntu 24.04
-
cmark-gfm
-
0.29.0.gfm.6-6ubuntu0.24.04.1~esm1
Available with Ubuntu Pro
Ubuntu 22.04
-
cmark-gfm
-
0.29.0.gfm.3-3ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 20.04
-
cmark-gfm
-
0.29.0.gfm.0-4ubuntu0.1~esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.