CVE-2021-4048
lapack: Out-of-bounds read in *larrv
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Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 30, 2021
Updated · March 18, 2026
Description
An out-of-bounds read flaw was found in the CLARRV, DLARRV, SLARRV, and ZLARRV functions in lapack and OpenBLAS. A specially crafted input passed to these functions could cause an application using lapack to crash or possibly disclose portions of its memory.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-125 · Out-of-bounds Read