UBUNTU-CVE-2026-120572: High severity ubuntu/mozjs52 vulnerability
Published Nov 3, 2026
·Updated
Incorrect boundary conditions in the Layout: Block and Inline component. This vulnerability was fixed in Firefox 159.0.1.
Affected Software
10 affected components
ubuntu/mozjs52*
ubuntu/mozjs38*
ubuntu/mozjs68*
ubuntu/mozjs52*
ubuntu/mozjs102*
ubuntu/mozjs78*
ubuntu/mozjs91*
ubuntu/thunderbird*
ubuntu/mozjs102*
ubuntu/mozjs115*
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 159.0.1
Event History
Nov 3, 2026
CVE Published
via OSV·02:17 PM
Data Sourced
via OSV·02:17 PM
DescriptionSeverityAffected Software