Chainguard: multiple firefox packages: security update to 154.0-r0

high Tenable Self-Hosted Container Security Plugin ID 476333

Description

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

- Information disclosure in the WebRTC component. This vulnerability was fixed in Firefox 154, Firefox ESR
153.1, Thunderbird 154, and Thunderbird 153.1. (CVE-2026-74958)

Solution

Update the firefox library and its related packages to version 154.0-r0 or later.

Plugin Details

Severity: High

ID: 476333

Version: Revision 1.1

Type: Local

Published: 10/20/2026

Updated: 10/20/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.66

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-74958

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 8/17/2026

Reference Information

CVE: CVE-2026-74958

IAVA: 2026-A-0876-S