Linux · openSUSE Leap · Security advisory · November 19, 2025

OPENSUSE-SU-2025:20065-1: MozillaFirefox security update

OPENSUSE-SU-2025:20065-1, released November 19, 2025, fixes 24 CVEs in MozillaFirefox (version 140.5.0-160000.1.1). None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
24
None rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0078
56th percentile

Priority of the 24 CVEs

Patch now 0 Urgent 0 High 24 Routine 0

Fixed package versions

ProductReleaseFixed in
MozillaFirefoxopensuse-leap 16.0140.5.0-160000.1.1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2025-10533 Integer overflow in the SVG component8.8 0.0078 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 textures9.8 0.0042 None reported
High CVE-2025-11710 Cross-process information leaked due to malicious IPC messages9.8 0.0042 None reported
High CVE-2025-13016 Incorrect boundary conditions in the JavaScript: WebAssembly component7.5 0.0041 None reported
High CVE-2025-10528 Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component7.5 0.0037 None reported
High CVE-2025-10537 Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 1438.8 0.0034 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 1448.8 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 1448.8 0.0033 None reported
High CVE-2025-10532 Incorrect boundary conditions in the JavaScript: GC component7.5 0.0033 None reported
High CVE-2025-10529 Same-origin policy bypass in the Layout component7.5 0.0032 None reported
High CVE-2025-13014 Use-after-free in the Audio/Video component8.8 0.0032 None reported
High CVE-2025-13020 Use-after-free in the WebRTC: Audio/Video component8.8 0.0031 None reported
High CVE-2025-10527 Sandbox escape due to use-after-free in the Graphics: Canvas2D component7.5 0.0029 None reported
High CVE-2025-11713 Potential user-assisted code execution in “Copy as cURL” command8.1 0.0029 None reported
High CVE-2025-13017 Same-origin policy bypass in the DOM: Notifications component8.1 0.0028 None reported
High CVE-2025-13018 Mitigation bypass in the DOM: Security component8.1 0.0028 None reported
High CVE-2025-13019 Same-origin policy bypass in the DOM: Workers component8.1 0.0028 None reported
High CVE-2025-13012 Race condition in the Graphics component7.5 0.0024 None reported
High CVE-2025-11711 Some non-writable Object properties could be modified7.5 0.0023 None reported
High CVE-2025-13015 Spoofing issue in Firefox7.5 0.0023 None reported
High CVE-2025-11712 An OBJECT tag type attribute overrode browser behavior on web resources without a content-type7.5 0.0022 None reported
High CVE-2025-13013 Mitigation bypass in the DOM: Core & HTML component7.5 0.0022 None reported
High CVE-2025-10536 Information disclosure in the Networking: Cache component7.5 0.0018 None reported
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