CVE-2026-109743: Vulnerability in Mozilla Firefox
Description
Privilege escalation in the Panning and Zooming component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
Affected software
Mozilla
Firefox
Mozilla
Thunderbird
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves privilege escalation within the Panning and Zooming component of Mozilla Firefox. It allows an attacker to gain elevated privileges, potentially impacting the security context of the browser. Mozilla has released fixes for this vulnerability in Firefox 158 and Firefox ESR 153.5.
Potential Impact
Successful exploitation could allow an attacker to escalate privileges within the Firefox browser environment. However, no active exploitation in the wild has been reported.
Mitigation Recommendations
Users should update to Firefox 158 or later, or Firefox ESR 153.5 or later, to remediate this vulnerability. Applying these official fixes fully addresses the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-10-13T00:29:48.572Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-106/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-108/","vendor":"Mozilla"}]
Threat ID: 6ace2c4b2cdf04f65661d546
Added to database: 10/13/2026, 13:04:11 UTC
Last enriched: 10/13/2026, 13:48:46 UTC
Last updated: 10/14/2026, 04:19:18 UTC
Views: 3
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