{"id":"CVE-2025-6750","summary":"HDF5 H5Omtime.c H5O__mtime_new_encode heap-based overflow","details":"A vulnerability, which was classified as problematic, has been found in HDF5 1.14.6. Affected by this issue is the function H5O__mtime_new_encode of the file src/H5Omtime.c. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.","modified":"2026-05-18T05:57:36.633801270Z","published":"2025-06-27T02:31:07.257Z","database_specific":{"cwe_ids":["CWE-119","CWE-122"],"cna_assigner":"VulDB","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6750.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6750.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6750"},{"type":"ADVISORY","url":"https://vuldb.com/?id.314048"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.601017"},{"type":"REPORT","url":"https://github.com/HDFGroup/hdf5/issues/5549"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.314048"},{"type":"EVIDENCE","url":"https://github.com/user-attachments/files/20438441/hdf5_crash_1.txt"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/hdfgroup/hdf5","events":[{"introduced":"0"},{"last_affected":"7bf340440909d468dbb3cf41f0ea0d87f5050cea"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"1.14.6"}]}}],"versions":["hdf5_1.14.6","hdf5-1.14.6","hdf5_1.14.5","hdf5-1.14.5","snapshot-1.14","hdf5-1_13_0-rc6","hdf5-1_13_0-rc5","hdf5-1_13_0-rc4","hdf5-1_13_0-rc3","hdf5-1_13_0-rc2","hdf5-1_13_0-rc1","vms_last_support_trunk","before_removing_mpiposix_vfd","hdf5-1_9-start","hdf5-1_8_0-beta5","hdf5-1_8_0-beta4","hdf5-1_8_0-beta3","hdf5-1_8_0-beta2","hdf5-1_8_0-beta1","hdf5-1_8_0-alpha4","hdf5-1_8_0-alpha3","hdf5-1_8_0-alpha2","before_removing_fphdf5","before_removing_docs","before_removing_tbbt_code","before_signed_unsigned_changes","hdf5-1_6_2","hdf5-1_6_1","hdf5-1_6_0","hdf5-1_4_0","hdf5-1_4_1","hdf5-1_3_1","hdf5-1_3_0","hdf5-1_2_1","hdf5-1_2_0beta","hdf5-1_2_0-beta1-update2","hdf5-1_2_0","hdf5-1_0_1","hdf5-1_0_0","r1_1beta1","hdf5-1_0_0-alpha2","proto1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-6750.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"}]}