CVE-2023-40549

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and crashing Shim, resulting in a denial of service.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 29, 2024
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-40549: Medium severity, CVSS 5.5 | Vulnix