JavaScript engine only wrote partial return value to stack. (CVE-2025-8027) Large branch table could lead to truncated instruction. (CVE-2025-8028) Javascript: URLs executed on object and embed tags. (CVE-2025-8029) Potential user-assisted code execution in “Copy as cURL” command. (CVE-2025-8030) Incorrect URL stripping in CSP reports. (CVE-2025-8031) XSLT documents could bypass CSP. (CVE-2025-8032) Incorrect JavaScript state machine for generators. (CVE-2025-8033) 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. (CVE-2025-8034) 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. (CVE-2025-8035) Sandbox escape due to invalid pointer in the Audio/Video: GMP component. (CVE-2025-9179) Same-origin policy bypass in the Graphics: Canvas2D component. (CVE-2025-9180) Uninitialized memory in the JavaScript Engine component. (CVE-2025-9181) Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. (CVE-2025-9185)