CVE-2026-103222

MediumCVSS 5.6/10Last modified Sep 30, 2026

Description

A vulnerability was determined in Blosc C-Blosc2 up to 3.3.2. This impacts the function blosclz_decompress of the file blosc/blosclz.c of the component blosclz Decompression. Executing a manipulation can lead to integer overflow. The attack may be launched remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult. Upgrading to version 3.3.3 will fix this issue. This patch is called fe2964d114d97847f56570a0ab2be2c57ccbeedc. The affected component should be upgraded.

Metrics

CVSS 3.1 5.6/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-189 CWE-190

Affected software

Vendor	Product	Versions
Blosc	C-Blosc2	3.3.0; 3.3.1; 3.3.2

References

Timeline

Published: Sep 30, 2026
Last modified: Sep 30, 2026
NVD status: Deferred

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