Dashboard / CVE-2026-34734

CVE-2026-34734

INFO Priority: 0.00 BB Relevance: 0/100
Published: 2026-04-09 Modified: 2026-10-26 First seen: 2026-10-29 Status: pending_score

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.

Weakness Classification (2)

Affected Software (1)

VendorProductVersion
hdfgroup hdf5 < 1.14.1-2

References & Advisories (4)

Bug Bounty Relevance

0 / 100

CVSS Score

Unscored

EPSS — Exploitation Probability

0.19%
Raw Score 0.001930
Percentile 9.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00193
2026-10-28
0.00193

Intelligence Sources

nvd ref →

External Links