9.1

CVE-2026-92050

Sandbox escape due to race condition in the XPConnect component

Sandbox escape due to race condition in the XPConnect component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mozilla ≫ Firefox Version < 156.0.0
Mozilla ≫ Thunderbird Version < 156.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.14% 0.039
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

https://www.mozilla.org/security/advisories/mfsa2026-90/
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=2061387
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-94/
Vendor Advisory