CVE-2026-34734

01/תיאור (מקור, אנגלית)

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.

02/מוצרים מושפעים

hdfgroup: hdf5

03/קישורים5

• github.com/HDFGroup/hdf5/security/advisories/GHSA-w7v2-9cmr-pwwj ExploitVendor Advisory
• github.com/HDFGroup/hdf5/security/advisories/GHSA-w7v2-9cmr-pwwj ExploitVendor Advisory
• access.redhat.com/security/cve/CVE-2026-34734
• bugzilla.redhat.com/show_bug.cgi?id=2457034
• security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3473‮…