{"id":"OSV-2026-816","summary":"Heap-buffer-overflow in md_process_all_blocks","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=516422428\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nmd_process_all_blocks\nmd_parse\nmd_html\n```\n","modified":"2026-05-27T14:23:35.023545Z","published":"2026-05-27T00:05:00.416781Z","references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=516422428"}],"affected":[{"package":{"name":"md4c","ecosystem":"OSS-Fuzz","purl":"pkg:generic/md4c"},"ranges":[{"type":"GIT","repo":"https://github.com/mity/md4c","events":[{"introduced":"589681bc2e61bd23eccb2226a1752ad7466f81fd"},{"fixed":"fb4d03dfda4e4e0c24f9a1b43ccd2dacab2bd190"},{"introduced":"1010c1c53d3db2eae60b1db5afd168adb416b0c4"}]}],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/md4c/OSV-2026-816.yaml","fixed_range":"9fa747c96c57810f2439950464fb012af751f424:fb4d03dfda4e4e0c24f9a1b43ccd2dacab2bd190"}}],"schema_version":"1.7.5"}