REDHAT-BUG-2526767: Medium severity Mozilla Firefox vulnerability
Published Sep 1, 2026
·Updated
Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, and Firefox ESR 153.2.
Affected Software
4 affected components
Mozilla Firefox<155
Mozilla Firefox ESR 115<115.40
Mozilla Firefox ESR 140<140.15
Mozilla Firefox ESR 153<153.2
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 155 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 115.40 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 140.15 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 153.2
Event History
Sep 1, 2026
Data Sourced
via Red Hat·12:48 PM
DescriptionSeverityAffected Software