{"id":"CVE-2025-6857","summary":"HDF5 H5Gnode.c H5G__node_cmp3 stack-based overflow","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":"2026-08-12T03:30:19.941460438Z","published":"2025-06-29T10:00:18.376Z","database_specific":{"cwe_ids":["CWE-119","CWE-121"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6857.json","cna_assigner":"VulDB"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6857.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6857"},{"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":"7bf340440909d468dbb3cf41f0ea0d87f5050cea"},{"last_affected":"7bf340440909d468dbb3cf41f0ea0d87f5050cea"}],"database_specific":{"cpe":"cpe:2.3:a:hdfgroup:hdf5:1.14.6:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.14.6"},{"last_affected":"1.14.6"}],"source":["AFFECTED_FIELD","CPE_STRING"]}}],"versions":["1.14.6","hdf5_1.14.6","hdf5-1.14.6"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-6857.json"}}],"schema_version":"1.9.0","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"}]}