{"id":"OSV-2023-343","aliases":[],"status":"published","title":"Heap-buffer-overflow in _libssh2_ntohu32","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58291\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\n_libssh2_ntohu32\npacket_authagent_open\n_libssh2_packet_add\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-04-25T14:01:02.980876Z","modified":"2023-08-30T14:13:26Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"libssh2","ranges":[{"type":"GIT","events":[{"introduced":"bc4e619e76071393e466c29220fc4ef5764c2820"},{"fixed":"88a960a86b9ffbabd17a4bbcf767e26514c4678e"}]}],"versions":["libssh2-1.11.0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58291","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2023-343","title":"Heap-buffer-overflow in _libssh2_ntohu32","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58291\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\n_libssh2_ntohu32\npacket_authagent_open\n_libssh2_packet_add\n```\n","status":"published","published":"2023-04-25T14:01:02.980876Z","modified":"2023-08-30T14:13:26.448798Z","updated_at":"2026-11-02T15:52:49.747775Z"}]}}