VULNERABILITY INTELLIGENCE

CVE-2023-40549

CVSS score6.2 MEDIUM
EPSS probability0.41%
CISA KEVNot currently listed
Published2024-01-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-125
  • nvd@nist.gov: CWE-125

Primary references