{"id":"OSV-2023-76","aliases":[],"status":"published","title":"Heap-buffer-overflow in H5SM_delete","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56033\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nH5SM_delete\nH5O__msg_write_real\nH5O_msg_write\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-02-18T13:00:50.471845Z","modified":"2026-10-19T15:14:19Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"hdf5","ranges":[{"type":"GIT","events":[{"introduced":"966454aac1231da7209ef81c11055d3312181f99"},{"introduced":"04f0647727677d716a3c1c772d35a660a8ea0dc5"},{"introduced":"5a0ec52099cf02224a4066b158bcf1a34829db20"},{"introduced":"f527239564fc27a6e666ce734b88e4ab18765efc"}]}],"versions":["1.14.1","hdf5-1_10_10","hdf5-1_14_1","hdf5-1_14_1-2","snapshot","snapshot-1.14","snapshot-1.12","snapshot-1.10","hdf5-1_14_2","hdf5-1_10_11","hdf5-1_14_3-rc1","hdf5-1_14_3","hdf5-1_12_3","hdf5_1.14.4","hdf5-1.14.4.1","hdf5_1.14.4.1","hdf5_1.14.4.2","temp-1.14.4-3","hdf5_1.14.4.3","hdf5_1.14.5","snapshot-1.16","hdf5-1.14.5","hdf5-1.14.6","hdf5_1.14.6","hdff5-1_14-_0","hdff5-1_14_0","final_autotools_develop","2.0.0","hdf5_2.0.0","test-2.0.1-pre1","2.1.0-pre1test","2.1.0","hdf5_2.1.0","2.1.1","2.2.0-rc1","snapshot-2.2.0-rc1","2.2.0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56033","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2023-76","title":"Heap-buffer-overflow in H5SM_delete","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56033\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nH5SM_delete\nH5O__msg_write_real\nH5O_msg_write\n```\n","status":"published","published":"2023-02-18T13:00:50.471845Z","modified":"2026-10-19T15:14:19.358416Z","updated_at":"2026-11-02T15:52:49.747775Z"}]}}