CVE-2026-92036
CRITICALCVSS 9.8/10EPSS 0.59%
Last modified
CVE-2026-92036 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Incorrect boundary conditions in the Networking: HTTP component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.
Description
Incorrect boundary conditions in the Networking: HTTP component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 156.0.0 |
| Mozilla | Thunderbird | < 156.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2068416Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2026-90/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-94/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-92036?
Incorrect boundary conditions in the Networking: HTTP component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
How severe is CVE-2026-92036?
CVE-2026-92036 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.
How do I fix CVE-2026-92036?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-92030Mitigation bypass in the DOM: Copy & Paste and Drag & Drop c…5.4
- CVE-2026-92031Information disclosure in the Graphics: ImageLib component. …6.5
- CVE-2026-92032Sandbox escape due to invalid pointer in the Graphics compon…9.6
- CVE-2026-92033Privilege escalation in Firefox for Android. This vulnerabil…8.8
- CVE-2026-92034Site isolation issue in the Graphics component. This vulnera…9.1
- CVE-2026-92035Sandbox escape due to incorrect boundary conditions in the G…9.6
- CVE-2026-92037Incorrect boundary conditions in the DOM: Animation componen…9.8
- CVE-2026-92038Mitigation bypass in the Remote Settings Client component. T…9.1
- CVE-2026-92039Mitigation bypass in the DOM: Notifications component. This …6.3
- CVE-2026-9204GitLab has remediated an issue in GitLab CE/EE affecting all…6.5
- CVE-2026-92040Use-after-free in the JavaScript: WebAssembly component. Thi…8.8
- CVE-2026-92041Mitigation bypass in the DOM: Networking component. This vul…9.1
Are you affected by CVE-2026-92036?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST