SB2025110648 - Red Hat Enterprise Linux 7 Extended Lifecycle Support update for webkitgtk4



SB2025110648 - Red Hat Enterprise Linux 7 Extended Lifecycle Support update for webkitgtk4

Published: November 6, 2025

Security Bulletin ID SB2025110648
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Memory corruption (CVE-ID: CVE-2025-43343)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted website and crash the browser. 


Remediation

Install update from vendor's website.