UBUNTU-CVE-2026-124936: Medium severity ubuntu/mozjs52 vulnerability
Published Nov 12, 2026
·Updated
Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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 160 - Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 160
Event History
Nov 12, 2026
CVE Published
via OSV·12:00 AM
Data Sourced
via OSV·12:00 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which Ubuntu packages are listed as affected?
The listed Ubuntu packages are mozjs38, mozjs52, mozjs68, mozjs78, mozjs91, mozjs102, mozjs115, and thunderbird.
2
Which releases contain the upstream fix?
The issue was fixed in Firefox 160 and Thunderbird 160.
3
What type of impact does this issue have?
This is a spoofing issue in the Address Bar component, rated medium severity (4).