Google: sys-boot/shim: security update to 18244.1.7

medium Tenable Self-Hosted Container Security Plugin ID 450499

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create
the new variable, it tries to print an error message to the user; however, the number of parameters used
by the logging function doesn't match the format string used by it, leading to a crash under certain
circumstances. (CVE-2023-40546)

Solution

Update the sys-boot/shim library and its related packages to version 18244.1.7 or later.

Plugin Details

Severity: Medium

ID: 450499

Version: Revision 1.1

Type: Local

Family: Google COS Security Checks

Published: 10/1/2026

Updated: 10/1/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.67

Vendor

Vendor Severity: MEDIUM

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2023-40546

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 12/11/2023

Reference Information

CVE: CVE-2023-40546

Detections

Analytics