CVE-2026-34734
HDF5 is software for managing data. In 1.14.1-2 and earlier, a heap-use-after-free was found in the h5dump helper utility. An attacker who can supply a malicious h5 file can trigger a heap use-after-free. The freed object is referenced in a memmove call from H5T__conv_struct. The original object was allocated by H5D__typeinfo_init_phase3 and freed by H5D__typeinfo_term.
Debolezza
HDF5 is software for managing data. In 1.14.1-2 and earlier, a heap-use-after-free was found in the h5dump helper utility. An attacker who can supply a malicious h5 file can trigger a heap use-after-free. The freed object is referenced in a memmove call from H5T__conv_struct. The original object was allocated by H5D__typeinfo_init_phase3 and freed by H5D__typeinfo_term.
Prodotti interessati
- hdfgroup hdf5
Riferimenti
- https://github.com/HDFGroup/hdf5/security/advisories/GHSA-w7v2-9cmr-pwwj
- https://access.redhat.com/security/cve/CVE-2026-34734
- https://bugzilla.redhat.com/show_bug.cgi?id=2457034
- https://github.com/HDFGroup/hdf5/security/advisories/GHSA-w7v2-9cmr-pwwj
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34734.json
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