{"id":"CVE-2025-6857","details":"A vulnerability has been found in HDF5 1.14.6 and classified as problematic. Affected by this vulnerability is the function H5G__node_cmp3 of the file src/H5Gnode.c. The manipulation leads to stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.","modified":"2026-03-20T12:46:32.957344Z","published":"2025-06-29T10:15:22.800Z","references":[{"type":"ADVISORY","url":"https://vuldb.com/?id.314329"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.602529"},{"type":"REPORT","url":"https://github.com/HDFGroup/hdf5/issues/5575"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.314329"},{"type":"EVIDENCE","url":"https://github.com/user-attachments/files/20623442/hdf5_crash_7.txt"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/hdfgroup/hdf5","events":[{"introduced":"0"},{"last_affected":"7bf340440909d468dbb3cf41f0ea0d87f5050cea"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"1.14.6"}]}}],"versions":["before_removing_docs","before_removing_fphdf5","before_removing_mpiposix_vfd","before_removing_tbbt_code","before_signed_unsigned_changes","hdf5-1.14.5","hdf5-1.14.6","hdf5-1_0_0","hdf5-1_0_0-alpha2","hdf5-1_0_1","hdf5-1_13_0-rc1","hdf5-1_13_0-rc2","hdf5-1_13_0-rc3","hdf5-1_13_0-rc4","hdf5-1_13_0-rc5","hdf5-1_13_0-rc6","hdf5-1_2_0","hdf5-1_2_0-beta1-update2","hdf5-1_2_0beta","hdf5-1_2_1","hdf5-1_3_0","hdf5-1_3_1","hdf5-1_4_0","hdf5-1_4_1","hdf5-1_6_0","hdf5-1_6_1","hdf5-1_6_2","hdf5-1_8_0-alpha2","hdf5-1_8_0-alpha3","hdf5-1_8_0-alpha4","hdf5-1_8_0-beta1","hdf5-1_8_0-beta2","hdf5-1_8_0-beta3","hdf5-1_8_0-beta4","hdf5-1_8_0-beta5","hdf5-1_9-start","hdf5_1.14.5","hdf5_1.14.6","proto1","r1_1beta1","snapshot-1.14","vms_last_support_trunk"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-6857.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}