REDHAT-BUG-2570241: Low severity vulnerability

Published Nov 10, 2026

Updated

Privilege escalation in the Nimbus Desktop Client component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

Affected Software

0 affected components

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade Firefox to a version that resolves this vulnerability.
Fixed in 160
Upgrade
Upgrade Firefox ESR to a version that resolves this vulnerability.
Fixed in 153.7
Upgrade
Upgrade Thunderbird to a version that resolves this vulnerability.
Fixed in 160

Nov 10, 2026

Data Sourced

via Red Hat·07:45 PM

DescriptionSeverityAffected Software

The issue was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

Successful exploitation could result in privilege escalation through the Nimbus Desktop Client component.