CVE-2026-16392
9.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Exploitability: 3.9 / Impact: 5.2
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
Description
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Affected (2)
Products: Mozilla: Firefox, Thunderbird
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 153.0.0 | |
| Before 153.0 |
Related CWEs
CWE-670
Always-Incorrect Control Flow Implementation
The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated.
CWE-843
Access of Resource Using Incompatible Type ('Type Confusion')
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
References (3)
Source: security@mozilla.org
Permissions Required
Timeline
No history available yet.