SB2026091841 - Fedora EPEL 9 update for chromium



SB2026091841 - Fedora EPEL 9 update for chromium

Published: September 18, 2026

Security Bulletin ID SB2026091841
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Missing Authorization (CVE-ID: CVE-2026-87429)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to perform unauthorized actions.

The vulnerability exists due to missing authorization in ServiceWorker when handling service worker operations. A remote attacker can induce a victim to interact with browser content to perform unauthorized actions.


2) Information disclosure (CVE-ID: CVE-2026-87658)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in Extensions in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page and gain access to sensitive information.


Remediation

Install update from vendor's website.