{"id":"JLSEC-2026-1384","details":"Heap-based buffer overflow in the SOHM list-index deserialization code in HDF5 through 2.1.1 on all platforms allows attackers to cause a denial of service (crash) via a crafted HDF5 file whose shared-message list index declares a `num_messages` count exceeding `list_max`, triggering out-of-bounds heap reads and writes in `H5SM__cache_list_deserialize` and `H5SM__cache_list_verify_chksum`.","modified":"2026-08-24T14:30:06.437731780Z","published":"2026-08-24T14:19:02.514Z","upstream":["CVE-2026-17572"],"database_specific":{"license":"CC-BY-4.0","sources":[{"html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17572","database_specific":{"status":"Analyzed"},"affected":{"hdfgroup:hdf5":["\u003c 2.2.0"]},"id":"CVE-2026-17572","imported":"2026-08-24T14:03:03.177Z","modified":"2026-08-18T18:56:24.697Z","published":"2026-07-27T16:17:04.660Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-17572"}]},"references":[{"type":"WEB","url":"https://github.com/HDFGroup/hdf5/issues/6501"}],"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":"2.2.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1384.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","source":"NVD"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","source":"CNA"}]}