{"id":"OSV-2023-133","aliases":[],"status":"published","title":"Heap-buffer-overflow in H5L__extern_traverse","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56501\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nH5L__extern_traverse\nH5G__traverse_special\nH5G__traverse_real\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-03-02T13:02:08.499899Z","modified":"2026-10-09T16:08:39Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"hdf5","ranges":[{"type":"GIT","events":[{"introduced":"966454aac1231da7209ef81c11055d3312181f99"},{"introduced":"04f0647727677d716a3c1c772d35a660a8ea0dc5"},{"introduced":"5a0ec52099cf02224a4066b158bcf1a34829db20"},{"introduced":"f527239564fc27a6e666ce734b88e4ab18765efc"},{"fixed":"5933130b610c7bd6e66fe93c2798b97e3f3188c8"}]}],"versions":["1.14.1","2.0.0","2.1.0","2.1.1","final_autotools_develop","hdf5-1.14.5","hdf5-1.14.6","hdf5-1_10_10","hdf5-1_10_11","hdf5-1_12_3","hdf5-1_14_1","hdf5-1_14_1-2","hdf5-1_14_2","hdf5-1_14_3","hdf5-1_14_3-rc1","hdf5_1.14.4","hdf5_1.14.4.1","hdf5_1.14.4.2","hdf5_1.14.4.3","hdf5_1.14.5","hdf5_1.14.6","hdf5_2.0.0","hdf5_2.1.0","hdff5-1_14-_0","hdff5-1_14_0","snapshot","snapshot-1.10","snapshot-1.12","snapshot-1.14"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56501","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2023-133","title":"Heap-buffer-overflow in H5L__extern_traverse","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56501\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nH5L__extern_traverse\nH5G__traverse_special\nH5G__traverse_real\n```\n","status":"published","published":"2023-03-02T13:02:08.499899Z","modified":"2026-10-09T16:08:39.744181Z","updated_at":"2026-11-02T15:52:49.511349Z"}]}}