CVE Vulnerabilities

CVE-2026-17574

NULL Pointer Dereference

Published: Jul 27, 2026 | Modified: Oct 24, 2026

CVSS 3.x

5.5

MEDIUM

Source:

NVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS 2.x

RedHat/V2

RedHat/V3

5 MODERATE

Ubuntu

MEDIUM

Vulnerability-free packages from our partners

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-17574
CWE	https://cwe.mitre.org/data/definitions/476.html

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.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

Name	Vendor	Start Version	End Version
Hdf5	Hdfgroup	*	2.1.1 (excluding)

Potential Mitigations

References

https://github.com/HDFGroup/hdf5/commit/3fa6ed6e9dfeebbc784e21d8c48e31e35a8042bc

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