Mozilla Firefox (en-US) 144.0
Mozilla Firefox (en-US) 144.0, released October 14, 2025, fixes 10 CVEs in Mozilla Firefox (en-US). None of them is reported as exploited. Patch Radar priority: Urgent. The latest Mozilla Firefox (en-US) is 159.0, which also fixes every one of these CVEs.
Superseded. The latest Mozilla Firefox (en-US) is 159.0, which also fixes every CVE on this page. Install that instead.
Priority of the 10 CVEs
Applies to
| Product | Version |
|---|---|
| Mozilla Firefox (en-US) | 144.0 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2025-11721 | Memory safety bug fixed in Firefox 144 and Thunderbird 144 | 9.8 | 0.0037 | None reported |
| Urgent | CVE-2025-11719 | Use-after-free caused by the native messaging web extension API on Windows | 9.8 | 0.0035 | None reported |
| High | CVE-2025-11708 | Use-after-free in MediaTrackGraphImpl::GetInstance() | 9.8 | 0.0051 | None reported |
| High | CVE-2025-11709 | Out of bounds read/write in a privileged process triggered by WebGL textures | 9.8 | 0.0042 | None reported |
| High | CVE-2025-11710 | Cross-process information leaked due to malicious IPC messages | 9.8 | 0.0042 | None reported |
| High | CVE-2025-11714 | Memory safety bugs fixed in Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thunderbird 144 | 8.8 | 0.0034 | None reported |
| High | CVE-2025-11715 | Memory safety bugs fixed in Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thunderbird 144 | 8.8 | 0.0033 | None reported |
| High | CVE-2025-11713 | Potential user-assisted code execution in “Copy as cURL” command | 8.1 | 0.0029 | None reported |
| High | CVE-2025-11711 | Some non-writable Object properties could be modified | 7.5 | 0.0023 | None reported |
| High | CVE-2025-11712 | An OBJECT tag type attribute overrode browser behavior on web resources without a content-type | 7.5 | 0.0022 | None reported |
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