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OPENSUSE-SU-2025:20065-1 Not scored

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Changes in MozillaFirefox: Firefox Extended Support Release 140.5.0 ESR: * Fixed: Various security fixes (MFSA 2025-88 bsc#1253188): * CVE-2025-13012 Race condition in the Graphics component * CVE-2025-13016 Incorrect boundary conditions in the JavaScript: WebAssembly component * CVE-2025-13017 Same-origin policy bypass in the DOM: Notifications component * CVE-2025-13018 Mitigation bypass in the DOM: Security component * CVE-2025-13019 Same-origin policy bypass in the DOM: Workers component * CVE-2025-13013 Mitigation bypass in the DOM: Core & HTML component * CVE-2025-13020 Use-after-free in the WebRTC: Audio/Video component * CVE-2025-13014 Use-after-free in the Audio/Video component * CVE-2025-13015 Spoofing issue in Firefox - Firefox Extended Support Release 140.4.0 ESR * Fixed: Various security fixes. MFSA 2025-83 (bsc#1251263) * CVE-2025-11708 Use-after-free in MediaTrackGraphImpl::GetInstance() * CVE-2025-11709 Out of bounds read/write in a privileged process triggered by WebGL textures * CVE-2025-11710 Cross-process information leaked due to malicious IPC messages * CVE-2025-11711 Some non-writable Object properties could be modified * CVE-2025-11712 An OBJECT tag type attribute overrode browser behavior on web resources without a content-type * CVE-2025-11713 Potential user-assisted code execution in “Copy as cURL” command * 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 * CVE-2025-11715 Memory safety bugs fixed in Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thunderbird 144 - Firefox Extended Support Release 140.3.1 ESR (bsc#1250452) * Fixed: Improved reliability when HTTP/3 connections fail: Firefox no longer forces HTTP/2 during fallback, allowing the server to choose the protocol and preventing stalls on some sites. Firefox Extended Support Release 140.3.0 ESR * Fixed: Various security fixes (MFSA 2025-75 bsc#1249391) * CVE-2025-10527 Sandbox escape due to use-after-free in the Graphics: Canvas2D component * CVE-2025-10528 Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component * CVE-2025-10529 Same-origin policy bypass in the Layout component * CVE-2025-10532 Incorrect boundary conditions in the JavaScript: GC component * CVE-2025-10533 Integer overflow in the SVG component * CVE-2025-10536 Information disclosure in the Networking: Cache component * CVE-2025-10537 Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143

Exploit probability Not scored
Published November 19, 2025
Required by Not available
Last source change March 23, 2026

02 / AFFECTED SOFTWARE

Affected packages

openSUSE:Leap 16.0 MozillaFirefox

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities openSUSE-SU-2025:20065-1

This update for MozillaFirefox fixes the following issues: Changes in MozillaFirefox: Firefox Extended Support Release 140.5.0 ESR: * Fixed: Various security fixes (MFSA 2025-88 bsc#1253188): * CVE-2025-13012 Race condition in the Graphics component * CVE-2025-13016 Incorrect boundary conditions in the JavaScript: WebAssembly component * CVE-2025-13017 Same-origin policy bypass in the DOM: Notifications component * CVE-2025-13018 Mitigation bypass in the DOM: Security component * CVE-2025-13019 Same-origin policy bypass in the DOM: Workers component * CVE-2025-13013 Mitigation bypass in the DOM: Core & HTML component * CVE-2025-13020 Use-after-free in the WebRTC: Audio/Video component * CVE-2025-13014 Use-after-free in the Audio/Video component * CVE-2025-13015 Spoofing issue in Firefox - Firefox Extended Support Release 140.4.0 ESR * Fixed: Various security fixes. MFSA 2025-83 (bsc#1251263) * CVE-2025-11708 Use-after-free in MediaTrackGraphImpl::GetInstance() * CVE-2025-11709 Out of bounds read/write in a privileged process triggered by WebGL textures * CVE-2025-11710 Cross-process information leaked due to malicious IPC messages * CVE-2025-11711 Some non-writable Object properties could be modified * CVE-2025-11712 An OBJECT tag type attribute overrode browser behavior on web resources without a content-type * CVE-2025-11713 Potential user-assisted code execution in “Copy as cURL” command * 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 * CVE-2025-11715 Memory safety bugs fixed in Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thunderbird 144 - Firefox Extended Support Release 140.3.1 ESR (bsc#1250452) * Fixed: Improved reliability when HTTP/3 connections fail: Firefox no longer forces HTTP/2 during fallback, allowing the server to choose the protocol and preventing stalls on some sites. Firefox Extended Support Release 140.3.0 ESR * Fixed: Various security fixes (MFSA 2025-75 bsc#1249391) * CVE-2025-10527 Sandbox escape due to use-after-free in the Graphics: Canvas2D component * CVE-2025-10528 Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component * CVE-2025-10529 Same-origin policy bypass in the Layout component * CVE-2025-10532 Incorrect boundary conditions in the JavaScript: GC component * CVE-2025-10533 Integer overflow in the SVG component * CVE-2025-10536 Information disclosure in the Networking: Cache component * CVE-2025-10537 Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143

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05 / REFERENCES

Further evidence