CVE-2026-92036: Vulnerability in Mozilla Firefox
Incorrect boundary conditions in the Networking: HTTP component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-92036, concerns incorrect boundary conditions within the Networking: HTTP component of Mozilla Firefox. Such boundary condition errors can lead to security issues, including privilege escalation or sandbox escape, as seen in related vulnerabilities fixed in the same Firefox 156 update. Mozilla has officially fixed this issue in Firefox 156, as documented in their security advisory MFSA2026-90.
Potential Impact
The vulnerability has a high impact rating according to Mozilla's advisory. Incorrect boundary conditions in the HTTP networking component could potentially allow attackers to perform unauthorized actions or compromise the browser's security sandbox, though specific exploitation details are not provided. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox 156. Users and administrators should update to Firefox 156 or later to remediate this issue. No additional mitigation steps are required beyond applying the official update.
CVE-2026-92036: Vulnerability in Mozilla Firefox
Description
Incorrect boundary conditions in the Networking: HTTP component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
Affected software
Mozilla
Firefox
Mozilla
Thunderbird
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-92036, concerns incorrect boundary conditions within the Networking: HTTP component of Mozilla Firefox. Such boundary condition errors can lead to security issues, including privilege escalation or sandbox escape, as seen in related vulnerabilities fixed in the same Firefox 156 update. Mozilla has officially fixed this issue in Firefox 156, as documented in their security advisory MFSA2026-90.
Potential Impact
The vulnerability has a high impact rating according to Mozilla's advisory. Incorrect boundary conditions in the HTTP networking component could potentially allow attackers to perform unauthorized actions or compromise the browser's security sandbox, though specific exploitation details are not provided. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox 156. Users and administrators should update to Firefox 156 or later to remediate this issue. No additional mitigation steps are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-15T12:33:56.532Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-90/","vendor":"Mozilla"}]
Threat ID: 6aa93e6355bf5e2cf5d30ff4
Added to database: 09/15/2026, 12:47:31 UTC
Last enriched: 09/15/2026, 13:17:48 UTC
Last updated: 09/16/2026, 03:18:31 UTC
Views: 8
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