========================================================================== Ubuntu Security Notice USN-7319-1 March 03, 2025
cmark-gfm vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in cmark-gfm. Software Description: - 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 cmark-gfm 0.29.0.gfm.6-6ubuntu0.24.10.1 Ubuntu 24.04 LTS cmark-gfm 0.29.0.gfm.6-6ubuntu0.24.04.1~esm1 Available with Ubuntu Pro Ubuntu 22.04 LTS cmark-gfm 0.29.0.gfm.3-3ubuntu0.1~esm1 Available with Ubuntu Pro Ubuntu 20.04 LTS 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. References: https://ubuntu.com/security/notices/USN-7319-1 CVE-2022-39209, CVE-2023-22483, CVE-2023-22484, CVE-2023-22486, CVE-2023-26485 Package Information: https://launchpad.net/ubuntu/+source/cmark-gfm/0.29.0.gfm.6-6ubuntu0.24.10.1
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