CVE-2026-17574

hdf5: HDF5 contains a NULL pointer dereference vulnerability

CVE-2026-17574 is fixed in hdf5 on 1 platform by DEBIAN-CVE-2026-17574 (version 2.2.0+repack-1), released July 27, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0015
4th percentile

HDF5 contains a NULL pointer dereference vulnerability. Processing a crafted HDF5 file containing an attribute with an invalid variable-length datatype type field may cause the application to crash when the attribute is read.

Where it's fixed

ProductFixed inFixReleased
Linux
hdf5 · Debian 14 2.2.0+repack-1 DEBIAN-CVE-2026-17574 Jul 27, 2026

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