{"id":"JLSEC-2026-334","details":"A vulnerability, which was classified as problematic, was found in HDF5 up to 1.14.6. This affects the function H5HL__fl_deserialize of the file src/H5HLcache.c. The manipulation of the argument free_block leads to heap-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":"2026-04-29T13:32:03.651614Z","published":"2026-04-29T13:21:01.555Z","upstream":["CVE-2025-2924"],"database_specific":{"sources":[{"id":"CVE-2025-2924","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2025-2924","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-2924","modified":"2026-04-29T01:00:01.613Z","database_specific":{"status":"Modified"},"imported":"2026-04-29T08:59:44.159Z","published":"2025-03-28T20:15:26.147Z"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://github.com/HDFGroup/hdf5/issues/5382"},{"type":"WEB","url":"https://github.com/HDFGroup/hdf5/issues/5382"},{"type":"WEB","url":"https://vuldb.com/?ctiid.301899"},{"type":"WEB","url":"https://vuldb.com/?id.301899"},{"type":"WEB","url":"https://vuldb.com/?submit.521170"}],"affected":[{"package":{"name":"HDF5_jll","ecosystem":"Julia","purl":"pkg:julia/HDF5_jll?uuid=0234f1f7-429e-5d53-9886-15a909be8d59"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.0.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-334.json"}}],"schema_version":"1.7.5"}