CVE-2025-2925: HDF5 H5MM.c H5MM_realloc double free

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-03-28 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability has been found in HDF5 up to 1.14.6 and classified as problematic. This vulnerability affects the function H5MM_realloc of the file src/H5MM.c. The manipulation of the argument mem leads to double free. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Affected products

HDF5: through 1.14.6

References

https://github.com/HDFGroup/hdf5/issues/5383
https://vuldb.com/?ctiid.301900
https://vuldb.com/?id.301900
https://vuldb.com/?submit.521193
https://github.com/HDFGroup/hdf5/issues/5383

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