CVEvulnerability

CVE-2023-40549

5.5 MEDIUM Published 2024-01-29 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2024-01-29
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.2 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-125

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.

Affected configurations

• redhat shim (< 15.8) • fedoraproject fedora 39 • redhat enterprise linux 8.0 • redhat enterprise linux 9.0

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References