{"id":"JLSEC-2026-339","details":"A vulnerability classified as critical was found in HDF5 up to 1.14.6. Affected by this vulnerability is the function H5C__reconstruct_cache_entry of the file H5Cimage.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":"2026-04-29T13:32:07.126543Z","published":"2026-04-29T13:21:01.555Z","upstream":["CVE-2025-6269"],"database_specific":{"sources":[{"id":"CVE-2025-6269","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6269","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-6269","database_specific":{"status":"Analyzed"},"modified":"2026-04-29T01:00:01.613Z","published":"2025-06-19T16:15:22.797Z","imported":"2026-04-29T08:59:44.686Z"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://github.com/HDFGroup/hdf5/issues/5579"},{"type":"WEB","url":"https://github.com/HDFGroup/hdf5/issues/5579"},{"type":"WEB","url":"https://github.com/user-attachments/files/20626503/reproduce.tar.gz"},{"type":"WEB","url":"https://vuldb.com/?ctiid.313273"},{"type":"WEB","url":"https://vuldb.com/?id.313273"},{"type":"WEB","url":"https://vuldb.com/?submit.592587"}],"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-2026-339.json"}}],"schema_version":"1.7.5"}