Skip to main content
VulnerabilityPublished Updated

Hdf5: Negative-size-param

Affects hdf5Source GCVE Database

0
Severity
Medium

Rated by Threat Radar

Data as of 30 Jul 2026, 07:28 UTC

What to do

Affected software

ProductAffectedFixed in
OSS-Fuzzhdf5pkg:generic/hdf5Other threatsAffected
  • 1.14.1 – test-2.0.1-pre1
  • >=f527239564fc27a6e666ce734b88e4ab18765efc
37 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until an official fix is available, users should consider avoiding the affected versions or applying any vendor recommendations once published.

Description

A vulnerability in the hdf5 library involving a negative-size parameter in the H5MM_memcpy function was reported by OSS-Fuzz. The issue causes a crash related to memory copying operations during object link decoding and message iteration. Multiple specific versions of hdf5 are affected, including 1.14.1 and several 2.x pre-release and release versions. No patch or official fix information is currently available.

References

Community reviews

Loading reviews…