# Firefox Developer Edition (en-US) 141.0 Firefox Developer Edition (en-US) 141.0, released July 11, 2025, fixes 24 CVEs in Firefox Developer Edition (en-US). None of them is reported as exploited. Patch Radar priority: Urgent. The latest Firefox Developer Edition (en-US) is 156.0, which also fixes every one of these CVEs. - Web page: https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-141.0 - Platform: Windows apps - Released: Jul 11, 2025 - Priority: Urgent (Closes CVE-2025-8044, rated Critical) - CVEs: 24, exploited: 0, on CISA KEV: 0 - Superseded by: [Firefox Developer Edition (en-US) 156.0](https://patchblox.com/security/data/product/windows-app/firefox-developer-edition-en-us.md), the latest version, which also fixes every CVE listed here ## Applies to | Product | Release | Fixed in | |---|---|---| | [Firefox Developer Edition (en-US)](https://patchblox.com/security/data/product/windows-app/firefox-developer-edition-en-us.md) | | 141.0 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2025-8044](https://patchblox.com/security/data/cve/CVE-2025-8044.md) | Urgent | Memory safety bugs fixed in Firefox 141 and Thunderbird 141 | 9.8 | 0.0048 | | | [CVE-2025-8043](https://patchblox.com/security/data/cve/CVE-2025-8043.md) | Urgent | Incorrect URL truncation | 9.8 | 0.0043 | | | [CVE-2026-16361](https://patchblox.com/security/data/cve/CVE-2026-16361.md) | Urgent | Memory safety bugs fixed in Thunderbird ESR 140.13 | 9.8 | 0.0032 | | | [CVE-2025-8028](https://patchblox.com/security/data/cve/CVE-2025-8028.md) | High | Large branch table could lead to truncated instruction | 9.8 | 0.0058 | | | [CVE-2025-8031](https://patchblox.com/security/data/cve/CVE-2025-8031.md) | High | Incorrect URL stripping in CSP reports | 9.8 | 0.0051 | | | [CVE-2026-8091](https://patchblox.com/security/data/cve/CVE-2026-8091.md) | High | Incorrect boundary conditions in the Audio/Video: Playback component | 9.8 | 0.0047 | | | [CVE-2025-8034](https://patchblox.com/security/data/cve/CVE-2025-8034.md) | High | 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 | | | [CVE-2026-8094](https://patchblox.com/security/data/cve/CVE-2026-8094.md) | High | Other issue in the WebRTC component | 9.8 | 0.0045 | | | [CVE-2025-8036](https://patchblox.com/security/data/cve/CVE-2025-8036.md) | High | DNS rebinding circumvents CORS | 8.1 | 0.0045 | | | [CVE-2025-8027](https://patchblox.com/security/data/cve/CVE-2025-8027.md) | High | JavaScript engine only wrote partial return value to stack | 7.5 | 0.0043 | | | [CVE-2025-8033](https://patchblox.com/security/data/cve/CVE-2025-8033.md) | High | Incorrect JavaScript state machine for generators | 7.5 | 0.0043 | | | [CVE-2026-8092](https://patchblox.com/security/data/cve/CVE-2026-8092.md) | High | Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thunderbird 150.0.2 | 8.1 | 0.0041 | | | [CVE-2025-8035](https://patchblox.com/security/data/cve/CVE-2025-8035.md) | High | Memory safety bugs fixed in Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141 | 8.8 | 0.0040 | | | [CVE-2025-8029](https://patchblox.com/security/data/cve/CVE-2025-8029.md) | High | javascript: URLs executed on object and embed tags | 8.1 | 0.0038 | | | [CVE-2025-8030](https://patchblox.com/security/data/cve/CVE-2025-8030.md) | High | Potential user-assisted code execution in “Copy as cURL” command | 8.1 | 0.0038 | | | [CVE-2025-8032](https://patchblox.com/security/data/cve/CVE-2025-8032.md) | High | XSLT documents could bypass CSP | 8.1 | 0.0038 | | | [CVE-2025-8040](https://patchblox.com/security/data/cve/CVE-2025-8040.md) | High | Memory safety bugs fixed in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141 | 8.8 | 0.0037 | | | [CVE-2025-8039](https://patchblox.com/security/data/cve/CVE-2025-8039.md) | High | Search terms persisted in URL bar | 8.1 | 0.0034 | | | [CVE-2026-12329](https://patchblox.com/security/data/cve/CVE-2026-12329.md) | High | Memory safety bug fixed in Thunderbird ESR 140.12 | 7.5 | 0.0031 | | | [CVE-2026-92021](https://patchblox.com/security/data/cve/CVE-2026-92021.md) | High | Use-after-free in the JavaScript Engine: JIT component | 8.8 | 0.0028 | | | [CVE-2025-8038](https://patchblox.com/security/data/cve/CVE-2025-8038.md) | High | CSP frame-src was not correctly enforced for paths | 9.8 | 0.0027 | | | [CVE-2025-8037](https://patchblox.com/security/data/cve/CVE-2025-8037.md) | High | Nameless cookies shadow secure cookies | 9.1 | 0.0027 | | | [CVE-2026-92014](https://patchblox.com/security/data/cve/CVE-2026-92014.md) | High | Privilege escalation due to incorrect boundary conditions in the Graphics component | 8.8 | 0.0024 | | | [CVE-2026-12330](https://patchblox.com/security/data/cve/CVE-2026-12330.md) | High | Incorrect boundary conditions in the Internationalization component | 7.5 | 0.0016 | | --- Data as of 2026-11-08T06:59:42Z UTC. 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