CVE-2026-34734 | BDVDB-2026-326103 Detail

Description#

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.

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Exploit#

History#

1. Version 12026-04-09Record published in the CVE List.
2. Version 22026-07-15Most recent update recorded in the CVE List.