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Vulnerability · Published Mar 28, 2025 · Assigned by VulDB

CVE-2025-2926HDF5 H5Ocache.c H5O__cache_chk_serialize null pointer dereference

Low 3.3

In plain English

A low-severity null pointer dereference in HDF5. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.3%top 82.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12hdf5no fix listedDEBIAN-CVE-2025-2926
Debian:13hdf5no fix listedDEBIAN-CVE-2025-2926
Debian:14hdf52.1.0+repack-1DEBIAN-CVE-2025-2926
Ubuntu:22.04:LTShdf5no fix listedUBUNTU-CVE-2025-2926
Ubuntu:24.04:LTShdf5no fix listedUBUNTU-CVE-2025-2926
Ubuntu:25.10hdf5no fix listedUBUNTU-CVE-2025-2926
Ubuntu:26.04:LTShdf5no fix listedUBUNTU-CVE-2025-2926
Ubuntu:26.10hdf5no fix listedUBUNTU-CVE-2025-2926

Affected products (as reported)

VendorProductVersions
n/a HDF5 1.14.01.14.11.14.21.14.31.14.41.14.51.14.6

Weakness: CWE-476, CWE-404 · Vector: 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

References