CVE-2026-92627

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{"bugzilla": {"description": "HDF5: HDF5: Memory corruption via crafted HDF5 file", "id": "2535513", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535513"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A heap-use-after-free vulnerability exists in H5T__conv_f_f() in src/H5Tconv.c in HDF5 before 1.14.2.\u00a0When converting a compound datatype containing floating-point members during a dataset read, a temporary buffer allocated with calloc() is freed and subsequently read from within the same conversion routine. An attacker who can supply a crafted HDF5 file containing a specially constructed compound datatype can trigger the use-after-free when the file is parsed by an application that reads the affected dataset, such as h5dump.\u00a0This can result in a crash and, depending on heap layout and allocator behavior, may be exploitable for further memory corruption up to remote code execution.", "A flaw was found in HDF5. A heap-use-after-free vulnerability exists when converting a compound datatype containing floating-point members during a dataset read. An attacker can supply a specially crafted HDF5 file, which, when parsed by an application, can trigger this flaw. This can lead to a crash and potentially further memory corruption, which may enable arbitrary code execution."], "name": "CVE-2026-92627", "package_state": [{"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Under investigation", "package_name": "hdf5", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "hdf5", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Under investigation", "package_name": "hdf5", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2026-09-16T15:16:54Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-92627\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-92627\nhttps://pulsesecurity.co.nz/advisories/hdf5-memory-corruption"], "threat_severity": "Important"}

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