vulnerability
Ubuntu: (CVE-2023-40549): shim-signed vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:N/I:N/A:C) | Jan 29, 2024 | Nov 19, 2024 | Dec 2, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
Jan 29, 2024
Added
Nov 19, 2024
Modified
Dec 2, 2025
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.
Solutions
ubuntu-upgrade-shimubuntu-upgrade-shim-signed
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