{"id":"CVE-2025-2923","summary":"HDF5 H5Fint.c H5F_addr_encode_len heap-based overflow","details":"A vulnerability, which was classified as problematic, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5F_addr_encode_len of the file src/H5Fint.c. The manipulation of the argument pp leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.","modified":"2026-07-15T01:49:22.567184767Z","published":"2025-03-28T19:00:08.623Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/2xxx/CVE-2025-2923.json","cna_assigner":"VulDB","cwe_ids":["CWE-119","CWE-122"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/2xxx/CVE-2025-2923.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-2923"},{"type":"ADVISORY","url":"https://vuldb.com/?id.301898"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.521151"},{"type":"REPORT","url":"https://github.com/HDFGroup/hdf5/issues/5381"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.301898"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/hdfgroup/hdf5","events":[{"introduced":"0553fb7ac7f03a919c91cdbbd5648b8aadbe05af"},{"fixed":"7bf340440909d468dbb3cf41f0ea0d87f5050cea"}],"database_specific":{"extracted_events":[{"introduced":"1.14.0"},{"last_affected":"1.14.0"},{"introduced":"1.14.1"},{"last_affected":"1.14.1"},{"introduced":"1.14.2"},{"last_affected":"1.14.2"},{"introduced":"1.14.3"},{"last_affected":"1.14.3"},{"introduced":"1.14.4"},{"last_affected":"1.14.4"},{"introduced":"1.14.5"},{"last_affected":"1.14.5"},{"introduced":"1.14.6"},{"last_affected":"1.14.6"},{"introduced":"0"},{"fixed":"1.14.6"}],"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:hdfgroup:hdf5:*:*:*:*:*:*:*:*"}}],"versions":["1.14.0","1.14.1","1.14.2","1.14.3","1.14.4","1.14.5","1.14.6"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-2923.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"}]}