Mozilla Firefox 150.0.2
Mozilla Firefox 150.0.2, released May 6, 2026, fixes 246 CVEs in Mozilla Firefox. None of them is reported as exploited. Patch Radar priority: Urgent. The latest Mozilla Firefox is 159.0.1, which also fixes every one of these CVEs.
Superseded. The latest Mozilla Firefox is 159.0.1, which also fixes every CVE on this page. Install that instead.
Priority of the 246 CVEs
Applies to
| Product | Version |
|---|---|
| Mozilla Firefox | 150.0.2 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-2796 | JIT miscompilation in the JavaScript: WebAssembly component | 9.8 | 0.0095 | None reported |
| Urgent | CVE-2026-2805 | Invalid pointer in the DOM: Core & HTML component | 9.8 | 0.0066 | None reported |
| Urgent | CVE-2026-4723 | Use-after-free in the JavaScript Engine component | 9.8 | 0.0063 | None reported |
| Urgent | CVE-2025-8028 | Large branch table could lead to truncated instruction | 9.8 | 0.0058 | None reported |
| Urgent | CVE-2026-2799 | Use-after-free in the DOM: Core & HTML component | 9.8 | 0.0054 | None reported |
| Urgent | CVE-2026-2797 | Use-after-free in the JavaScript: GC component | 9.8 | 0.0053 | None reported |
| Urgent | CVE-2025-9187 | Memory safety bugs fixed in Firefox 142 and Thunderbird 142 | 9.8 | 0.0052 | None reported |
| Urgent | CVE-2026-4724 | Undefined behavior in the Audio/Video component | 9.1 | 0.0052 | None reported |
| Urgent | CVE-2025-8031 | Incorrect URL stripping in CSP reports | 9.8 | 0.0051 | None reported |
| Urgent | CVE-2025-14326 | Use-after-free in the Audio/Video: GMP component | 9.8 | 0.0049 | None reported |
| Urgent | CVE-2025-8044 | Memory safety bugs fixed in Firefox 141 and Thunderbird 141 | 9.8 | 0.0048 | None reported |
| Urgent | CVE-2025-8034 | Memory safety bugs fixed in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141 | 8.8 | 0.0046 | None reported |
| Urgent | CVE-2026-2806 | Uninitialized memory in the Graphics: Text component | 9.1 | 0.0045 | None reported |
| Urgent | CVE-2026-0892 | Memory safety bugs fixed in Firefox 147 and Thunderbird 147 | 9.8 | 0.0045 | None reported |
| Urgent | CVE-2025-8043 | Incorrect URL truncation | 9.8 | 0.0043 | None reported |
| Urgent | CVE-2025-8027 | JavaScript engine only wrote partial return value to stack | 7.5 | 0.0043 | None reported |
| Urgent | CVE-2025-8033 | Incorrect JavaScript state machine for generators | 7.5 | 0.0043 | None reported |
| Urgent | CVE-2025-13021 | Incorrect boundary conditions in the Graphics: WebGPU component | 9.8 | 0.0038 | None reported |
| Urgent | CVE-2025-13022 | Incorrect boundary conditions in the Graphics: WebGPU component | 9.8 | 0.0038 | None reported |
| Urgent | CVE-2025-13023 | Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component | 9.8 | 0.0038 | None reported |
| Urgent | CVE-2025-13024 | JIT miscompilation in the JavaScript Engine: JIT component | 9.8 | 0.0038 | None reported |
| Urgent | CVE-2025-13026 | Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component | 9.8 | 0.0038 | None reported |
| Urgent | CVE-2026-4729 | Memory safety bugs fixed in Firefox 149 and Thunderbird 149 | 9.8 | 0.0035 | None reported |
| Urgent | CVE-2026-2800 | Spoofing issue in the WebAuthn component in Firefox for Android | 9.8 | 0.0035 | None reported |
| Urgent | CVE-2026-0881 | Sandbox escape in the Messaging System component | 10.0 | 0.0035 | None reported |
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