{"id":"OSV-2026-1196","aliases":[],"status":"published","title":"Heap-buffer-overflow in yylex","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=551147457\n\n```\nCrash type: Heap-buffer-overflow WRITE 4\nCrash state:\nyylex\nyyparse\nhobbes::runParserOnBuffer\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-08-25T00:09:47.072248Z","modified":"2026-08-25T00:09:47Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"hobbes","ranges":[{"type":"GIT","events":[{"introduced":"bd8cb86615562113ae09e837b8447d22dd945e80"},{"fixed":"3d08bc2cd3474bb3c41bfb21dc3c7b0b1109e5e7"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=551147457","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-1196","title":"Heap-buffer-overflow in yylex","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=551147457\n\n```\nCrash type: Heap-buffer-overflow WRITE 4\nCrash state:\nyylex\nyyparse\nhobbes::runParserOnBuffer\n```\n","status":"published","published":"2026-08-25T00:09:47.072248Z","modified":"2026-08-25T00:09:47.072534Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}