CVE-2025-2926

HDF5 H5Ocache.c H5O__cache_chk_serialize null pointer dereference

State: Published
Severity: 4.8 Medium
Published: Mar 28, 2025
Updated: Jul 24, 2025
Reserved: Mar 28, 2025

Description

A vulnerability was found in HDF5 up to 1.14.6 and classified as problematic. This issue affects the function H5O__cache_chk_serialize of the file src/H5Ocache.c. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	3.3 Low	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R	VulDB
3.0	3.3 Low	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R	VulDB
2.0	1.7 Low	AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-476 NULL Pointer Dereference
CWE-404 Denial of Service

Affected Products

Product	Versions
HDF5n/a	1.14.0Affected 1.14.1Affected 1.14.2Affected 1.14.3Affected 1.14.4Affected 1.14.5Affected 1.14.6Affected

References

VDB-301901 | HDF5 H5Ocache.c H5O__cache_chk_serialize null pointer dereferencevdb-entrytechnical-description
VDB-301901 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #521246 | https://github.com/HDFGroup/hdf5 HDF5 1.14.6 NULL Pointer Dereferencethird-party-advisory
https://github.com/HDFGroup/hdf5/issues/5384exploitissue-tracking

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