{"id":"USN-7752-1","summary":"libyang2 vulnerabilities","details":"It was discovered that libyang incorrectly handled certain memory\noperations when parsing YANG strings. An attacker could possibly use this\nissue to cause libyang to crash, resulting in a denial of service.","modified":"2026-04-22T11:01:48.149587Z","published":"2025-09-16T13:41:30Z","related":["UBUNTU-CVE-2023-26916","UBUNTU-CVE-2023-26917"],"upstream":["CVE-2023-26916","CVE-2023-26917","UBUNTU-CVE-2023-26916","UBUNTU-CVE-2023-26917"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7752-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-26916"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-26917"}],"affected":[{"package":{"name":"libyang2","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libyang2@2.1.30-2.1ubuntu0.1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.30-2.1ubuntu0.1"}]}],"versions":["2.1.30-2","2.1.30-2.1","2.1.30-2.1build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libyang-tools","binary_version":"2.1.30-2.1ubuntu0.1"},{"binary_name":"libyang2-tools","binary_version":"2.1.30-2.1ubuntu0.1"},{"binary_version":"2.1.30-2.1ubuntu0.1","binary_name":"libyang2t64"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-26916"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-26917"}],"ecosystem":"Ubuntu:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7752-1.json"}}],"schema_version":"1.7.5"}