{"id":"OSV-2026-565","summary":"Heap-buffer-overflow in xmlFAParsePosCharGroup","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=501547873\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nxmlFAParsePosCharGroup\nxmlFAParseCharGroup\nxmlFAParseCharGroup\n```\n","modified":"2026-04-12T00:05:45.925675Z","published":"2026-04-12T00:05:45.925380Z","references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=501547873"}],"affected":[{"package":{"name":"libxml2","ecosystem":"OSS-Fuzz","purl":"pkg:generic/libxml2"},"ranges":[{"type":"GIT","repo":"https://gitlab.gnome.org/GNOME/libxml2.git","events":[{"introduced":"07b13346cb7421090545bfb29f58bcbef8d36261"},{"fixed":"a7511af09f99995cdf81994db21f4eba564276b5"},{"introduced":"d1bccc480fd00b40c86ac26d3f3b6c91c46d18f7"}]}],"versions":["v2.15.3"],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libxml2/OSV-2026-565.yaml"}}],"schema_version":"1.7.5"}