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CVE-2021-4048

CRITICAL CVSS: 9.1 Published: 2021-12-08 Modified: 2026-06-17

Description

An out-of-bounds read flaw was found in the CLARRV, DLARRV, SLARRV, and ZLARRV functions in lapack through version 3.10.0, as also used in OpenBLAS before version 0.3.18. Specially crafted inputs passed to these functions could cause an application using lapack to crash or possibly disclose portions of its memory.

Affected Platforms

Redhat Enterprise LinuxRedhat Openshift Data FoundationFedoraproject FedoraRedhat Openshift Container StorageLapack Project LapackJulialang JuliaRedhat Ceph StorageOpenblas Project Openblas

Weakness Type

CWE-125

References