{"id":"OSV-2023-1343","aliases":[],"status":"published","title":"Heap-buffer-overflow in _libssh2_kex_agree_instr","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65212\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\n_libssh2_kex_agree_instr\n_libssh2_packet_add\nfullpacket\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-12-22T00:10:36.346763Z","modified":"2023-12-22T00:10:36Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"libssh2","ranges":[{"type":"GIT","events":[{"introduced":"d34d9258b8420b19ec3f97b4cc5bf7aa7d98e35a"},{"fixed":"f52ffc1ccdedcd5a885e85c2d0f0cb872b2b0a7f"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65212","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2023-1343","title":"Heap-buffer-overflow in _libssh2_kex_agree_instr","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65212\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\n_libssh2_kex_agree_instr\n_libssh2_packet_add\nfullpacket\n```\n","status":"published","published":"2023-12-22T00:10:36.346763Z","modified":"2023-12-22T00:10:36.347283Z","updated_at":"2026-11-02T15:52:49.511349Z"}]}}