CVE-2023-40550

Description

An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase.

Patch Available

Fix available through Seal Security.  
No upgrade required, protect your application instantly.

Fix without upgrading

Score

Severity

Ecosystem

RPM

Publish Date

January 29, 2024

Modified Date

November 20, 2025

Score Vector

Affected Versions