{"id":"USN-7844-1","summary":"libyaml-syck-perl vulnerability","details":"It was discovered that YAML::Syck did not properly handle parsing  YAML\nfiles. An attacker could possibly use this issue to expose sensitive\ninformation.","modified":"2026-05-20T16:03:49.847248983Z","published":"2025-10-28T19:20:39Z","upstream":["CVE-2025-11683","UBUNTU-CVE-2025-11683"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7844-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-11683"}],"affected":[{"package":{"name":"libyaml-syck-perl","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libyaml-syck-perl?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.29-1ubuntu0.16.04.1~esm1"}]}],"versions":["1.27-2build2","1.29-1","1.29-1build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_name":"libyaml-syck-perl","binary_version":"1.29-1ubuntu0.16.04.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7844-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[]}}},{"package":{"name":"libyaml-syck-perl","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libyaml-syck-perl?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.29-1ubuntu0.18.04.1~esm1"}]}],"versions":["1.29-1build3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: 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