{"id":"OSV-2026-718","aliases":[],"status":"published","title":"Heap-buffer-overflow in md_parse","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=511825301\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nmd_parse\nmd_html\nfuzz-mdhtml.c\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-05-12T00:14:15.556208Z","modified":"2026-05-12T00:14:15Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"md4c","ranges":[{"type":"GIT","events":[{"introduced":"ed89abed05845225cdfe2c94a49ec13a37b7578f"},{"fixed":"4f0b252c8e8952d53156949777ebfe3f9355def3"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=511825301","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-718","title":"Heap-buffer-overflow in md_parse","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=511825301\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nmd_parse\nmd_html\nfuzz-mdhtml.c\n```\n","status":"published","published":"2026-05-12T00:14:15.556208Z","modified":"2026-05-12T00:14:15.556499Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}