# OPENSUSE-SU-2026:21713-1: Security update for 4 packages OPENSUSE-SU-2026:21713-1, released August 31, 2026, fixes 115 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/fix/linux/opensuse-su-2026-21713-1 - Platform: Linux - Released: Aug 31, 2026 - Priority: Urgent (Closes CVE-2026-74943, rated Critical) - CVEs: 115, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://osv.dev/vulnerability/openSUSE-SU-2026:21713-1 ## Applies to | Product | Release | Fixed in | |---|---|---| | [MozillaFirefox](https://patchblox.com/security/data/product/linux/mozillafirefox.md) | opensuse-leap 16.0 | 153.1.0-160000.1.2 | | [mozilla-nspr](https://patchblox.com/security/data/product/linux/mozilla-nspr.md) | opensuse-leap 16.0 | 4.39-160000.1.1 | | [mozilla-nss](https://patchblox.com/security/data/product/linux/mozilla-nss.md) | opensuse-leap 16.0 | 3.125-160000.1.1 | | [rust-cbindgen](https://patchblox.com/security/data/product/linux/rust-cbindgen.md) | opensuse-leap 16.0 | 0.29.4+git0-160000.1.1 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2026-74943](https://patchblox.com/security/data/cve/CVE-2026-74943.md) | Urgent | Use-after-free in the Graphics: ImageLib component | 9.8 | 0.0096 | | | [CVE-2026-16357](https://patchblox.com/security/data/cve/CVE-2026-16357.md) | Urgent | Incorrect boundary conditions in the Graphics component | 9.8 | 0.0087 | | | [CVE-2026-16412](https://patchblox.com/security/data/cve/CVE-2026-16412.md) | Urgent | Memory safety bugs fixed in Thunderbird ESR 140.13 and Thunderbird 153 | 9.8 | 0.0064 | | | [CVE-2026-16395](https://patchblox.com/security/data/cve/CVE-2026-16395.md) | Urgent | Integer overflow in the Audio/Video component | 9.8 | 0.0062 | | | [CVE-2026-16402](https://patchblox.com/security/data/cve/CVE-2026-16402.md) | Urgent | Integer overflow in the Graphics: ImageLib component | 9.8 | 0.0062 | | | [CVE-2026-16408](https://patchblox.com/security/data/cve/CVE-2026-16408.md) | Urgent | Integer overflow in the Audio/Video: Playback component | 9.8 | 0.0062 | | | [CVE-2026-74964](https://patchblox.com/security/data/cve/CVE-2026-74964.md) | Urgent | Integer overflow in the Graphics component | 9.8 | 0.0060 | | | [CVE-2026-16389](https://patchblox.com/security/data/cve/CVE-2026-16389.md) | Urgent | Incorrect boundary conditions, integer overflow in the Libraries component in NSS | 9.8 | 0.0057 | | | [CVE-2026-16382](https://patchblox.com/security/data/cve/CVE-2026-16382.md) | Urgent | Mitigation bypass in the DOM: Service Workers component | 9.8 | 0.0056 | | | [CVE-2026-74986](https://patchblox.com/security/data/cve/CVE-2026-74986.md) | Urgent | Site isolation issue in the CSS Parsing and Computation component | 9.1 | 0.0056 | | | [CVE-2026-16388](https://patchblox.com/security/data/cve/CVE-2026-16388.md) | Urgent | Sandbox escape in the DOM: Networking component | 9.8 | 0.0055 | | | [CVE-2026-16410](https://patchblox.com/security/data/cve/CVE-2026-16410.md) | Urgent | JIT miscompilation in the JavaScript Engine: JIT component | 9.8 | 0.0055 | | | [CVE-2026-16393](https://patchblox.com/security/data/cve/CVE-2026-16393.md) | Urgent | Incorrect boundary conditions in the Graphics: WebGPU component | 9.1 | 0.0054 | | | [CVE-2026-16392](https://patchblox.com/security/data/cve/CVE-2026-16392.md) | Urgent | JIT miscompilation in the JavaScript Engine: JIT component | 9.1 | 0.0053 | | | [CVE-2026-74985](https://patchblox.com/security/data/cve/CVE-2026-74985.md) | Urgent | Privilege escalation in the Enterprise Policies component | 9.8 | 0.0053 | | | [CVE-2026-16353](https://patchblox.com/security/data/cve/CVE-2026-16353.md) | Urgent | Invalid pointer in the DOM: Bindings (WebIDL) component | 9.8 | 0.0052 | | | [CVE-2026-16407](https://patchblox.com/security/data/cve/CVE-2026-16407.md) | Urgent | Mitigation bypass in the DOM: Service Workers component | 9.8 | 0.0051 | | | [CVE-2026-74956](https://patchblox.com/security/data/cve/CVE-2026-74956.md) | Urgent | Same-origin policy bypass in the DOM: Service Workers component | 9.1 | 0.0050 | | | [CVE-2026-16411](https://patchblox.com/security/data/cve/CVE-2026-16411.md) | Urgent | Memory safety bugs fixed in Thunderbird 153 | 9.8 | 0.0049 | | | [CVE-2026-16360](https://patchblox.com/security/data/cve/CVE-2026-16360.md) | Urgent | Memory safety bugs fixed in Thunderbird ESR 140.13 and Thunderbird 153 | 9.8 | 0.0047 | | | [CVE-2026-74961](https://patchblox.com/security/data/cve/CVE-2026-74961.md) | Urgent | Side-channel in the Web Audio component | 9.1 | 0.0044 | | | [CVE-2026-16363](https://patchblox.com/security/data/cve/CVE-2026-16363.md) | Urgent | JIT miscompilation in the JavaScript: WebAssembly component | 9.8 | 0.0044 | | | [CVE-2026-16369](https://patchblox.com/security/data/cve/CVE-2026-16369.md) | Urgent | Integer overflow in the JavaScript: WebAssembly component | 9.8 | 0.0044 | | | [CVE-2026-16370](https://patchblox.com/security/data/cve/CVE-2026-16370.md) | Urgent | Mitigation bypass in the DOM: Networking component | 9.1 | 0.0043 | | | [CVE-2026-16394](https://patchblox.com/security/data/cve/CVE-2026-16394.md) | Urgent | Mitigation bypass in the DOM: Security component | 9.1 | 0.0043 | | | [CVE-2026-16406](https://patchblox.com/security/data/cve/CVE-2026-16406.md) | Urgent | Mitigation bypass in the Networking component | 9.1 | 0.0043 | | | [CVE-2026-16364](https://patchblox.com/security/data/cve/CVE-2026-16364.md) | Urgent | Incorrect boundary conditions in the Audio/Video: Playback component | 9.1 | 0.0043 | | | [CVE-2026-74940](https://patchblox.com/security/data/cve/CVE-2026-74940.md) | Urgent | Use-after-free in the Graphics: Text component | 9.8 | 0.0041 | | | [CVE-2026-16350](https://patchblox.com/security/data/cve/CVE-2026-16350.md) | Urgent | Incorrect boundary conditions in the Audio/Video: cubeb component | 9.8 | 0.0041 | | | [CVE-2026-16355](https://patchblox.com/security/data/cve/CVE-2026-16355.md) | Urgent | JIT miscompilation in the JavaScript Engine: JIT component | 9.8 | 0.0041 | | | [CVE-2026-74936](https://patchblox.com/security/data/cve/CVE-2026-74936.md) | Urgent | Use-after-free in the JavaScript: WebAssembly component | 9.8 | 0.0040 | | | [CVE-2026-74944](https://patchblox.com/security/data/cve/CVE-2026-74944.md) | Urgent | Use-after-free in the DOM: Core & HTML component | 9.8 | 0.0040 | | | [CVE-2026-16351](https://patchblox.com/security/data/cve/CVE-2026-16351.md) | Urgent | Sandbox escape due to use-after-free in the DOM: Navigation component | 9.8 | 0.0039 | | | [CVE-2026-16352](https://patchblox.com/security/data/cve/CVE-2026-16352.md) | Urgent | Sandbox escape due to use-after-free in the Disability Access APIs component | 9.8 | 0.0039 | | | [CVE-2026-16356](https://patchblox.com/security/data/cve/CVE-2026-16356.md) | Urgent | Sandbox escape due to use-after-free in the Disability Access APIs component | 9.8 | 0.0039 | | | [CVE-2026-16368](https://patchblox.com/security/data/cve/CVE-2026-16368.md) | Urgent | Incorrect boundary conditions in the JavaScript: WebAssembly component | 9.8 | 0.0039 | | | [CVE-2026-16377](https://patchblox.com/security/data/cve/CVE-2026-16377.md) | Urgent | Mitigation bypass in the PDF Viewer component | 9.8 | 0.0039 | | | [CVE-2026-16383](https://patchblox.com/security/data/cve/CVE-2026-16383.md) | Urgent | Mitigation bypass in the DOM: Networking component | 9.8 | 0.0039 | | | [CVE-2026-16367](https://patchblox.com/security/data/cve/CVE-2026-16367.md) | Urgent | Sandbox escape due to invalid pointer in the Disability Access APIs component | 10.0 | 0.0038 | | | [CVE-2026-74959](https://patchblox.com/security/data/cve/CVE-2026-74959.md) | Urgent | Mitigation bypass in the Storage: Cache API component | 9.1 | 0.0034 | | | [CVE-2026-16390](https://patchblox.com/security/data/cve/CVE-2026-16390.md) | Urgent | Mitigation bypass in the Enterprise Policies component | 9.1 | 0.0032 | | | [CVE-2026-16380](https://patchblox.com/security/data/cve/CVE-2026-16380.md) | Urgent | Mitigation bypass in the Networking component | 9.1 | 0.0031 | | | [CVE-2026-74979](https://patchblox.com/security/data/cve/CVE-2026-74979.md) | Urgent | Mitigation bypass in the Add-ons Manager component | 9.8 | 0.0031 | | | [CVE-2026-16359](https://patchblox.com/security/data/cve/CVE-2026-16359.md) | Urgent | Incorrect boundary conditions in the Audio/Video: GMP component | 9.1 | 0.0026 | | | [CVE-2026-16358](https://patchblox.com/security/data/cve/CVE-2026-16358.md) | Urgent | Site isolation issue in the Graphics: WebRender component | 9.8 | 0.0022 | | | [CVE-2026-16349](https://patchblox.com/security/data/cve/CVE-2026-16349.md) | Urgent | Same-origin policy bypass in the DOM: Navigation component | 9.8 | 0.0022 | | | [CVE-2026-16375](https://patchblox.com/security/data/cve/CVE-2026-16375.md) | Urgent | Site isolation issue in the Networking: HTTP component | 9.8 | 0.0021 | | | [CVE-2026-16387](https://patchblox.com/security/data/cve/CVE-2026-16387.md) | Urgent | Site isolation issue in the Networking component | 9.8 | 0.0020 | | | [CVE-2026-16381](https://patchblox.com/security/data/cve/CVE-2026-16381.md) | Urgent | Same-origin policy bypass in the Networking: DNS component | 9.1 | 0.0017 | | | [CVE-2026-74945](https://patchblox.com/security/data/cve/CVE-2026-74945.md) | High | Information disclosure in the Graphics: Text component | 7.5 | 0.0071 | | | [CVE-2026-74988](https://patchblox.com/security/data/cve/CVE-2026-74988.md) | High | Internally found bugs fixed in Thunderbird ESR 153.1 and Thunderbird 154 | 9.8 | 0.0061 | | | [CVE-2026-74977](https://patchblox.com/security/data/cve/CVE-2026-74977.md) | High | Integer overflow in the Graphics component | 7.5 | 0.0060 | | | [CVE-2026-74990](https://patchblox.com/security/data/cve/CVE-2026-74990.md) | High | Internally found bugs fixed in Thunderbird ESR 140.14, Thunderbird ESR 153.1 and Thunderbird 154 | 9.8 | 0.0053 | | | [CVE-2026-74982](https://patchblox.com/security/data/cve/CVE-2026-74982.md) | High | Denial-of-service in the Widget component | 7.5 | 0.0053 | | | [CVE-2026-74987](https://patchblox.com/security/data/cve/CVE-2026-74987.md) | High | Internally found bugs fixed in Thunderbird ESR 140.14, Thunderbird ESR 153.1 and Thunderbird 154 | 9.8 | 0.0052 | | | [CVE-2026-16376](https://patchblox.com/security/data/cve/CVE-2026-16376.md) | High | Denial-of-service in the Graphics: WebGPU component | 7.5 | 0.0052 | | | [CVE-2026-16409](https://patchblox.com/security/data/cve/CVE-2026-16409.md) | High | Invalid pointer in the Security: PSM component | 7.5 | 0.0052 | | | [CVE-2026-74958](https://patchblox.com/security/data/cve/CVE-2026-74958.md) | High | Information disclosure in the WebRTC component | 7.5 | 0.0045 | | | [CVE-2026-74947](https://patchblox.com/security/data/cve/CVE-2026-74947.md) | High | Privilege escalation due to invalid pointer in the Graphics component | 8.8 | 0.0045 | | | [CVE-2026-74938](https://patchblox.com/security/data/cve/CVE-2026-74938.md) | High | Mitigation bypass in the JavaScript: GC component | 9.1 | 0.0044 | | | [CVE-2026-74954](https://patchblox.com/security/data/cve/CVE-2026-74954.md) | High | Information disclosure due to side-channel in the Storage: Cache API component | 7.5 | 0.0044 | | | [CVE-2026-74966](https://patchblox.com/security/data/cve/CVE-2026-74966.md) | High | Information disclosure in the Form Autofill component | 7.5 | 0.0044 | | | [CVE-2026-74937](https://patchblox.com/security/data/cve/CVE-2026-74937.md) | High | Use-after-free in the JavaScript: GC component | 8.8 | 0.0044 | | | [CVE-2026-16384](https://patchblox.com/security/data/cve/CVE-2026-16384.md) | High | Information disclosure due to uninitialized memory in the Graphics: WebGPU component | 7.5 | 0.0043 | | | [CVE-2026-16385](https://patchblox.com/security/data/cve/CVE-2026-16385.md) | High | Information disclosure due to uninitialized memory in the Graphics: WebGPU component | 7.5 | 0.0043 | | | [CVE-2026-16386](https://patchblox.com/security/data/cve/CVE-2026-16386.md) | High | Information disclosure due to uninitialized memory in the Graphics: WebGPU component | 7.5 | 0.0043 | | | [CVE-2026-16400](https://patchblox.com/security/data/cve/CVE-2026-16400.md) | High | Information disclosure in the DOM: Security component | 7.5 | 0.0043 | | | [CVE-2026-16378](https://patchblox.com/security/data/cve/CVE-2026-16378.md) | High | Other issue in the DOM: Copy & Paste and Drag & Drop component | 7.5 | 0.0042 | | | [CVE-2026-74950](https://patchblox.com/security/data/cve/CVE-2026-74950.md) | High | Privilege escalation in the Downloads API component | 8.8 | 0.0042 | | | [CVE-2026-74955](https://patchblox.com/security/data/cve/CVE-2026-74955.md) | High | Privilege escalation in the Request Handling component | 8.8 | 0.0042 | | | [CVE-2026-16372](https://patchblox.com/security/data/cve/CVE-2026-16372.md) | High | Privilege escalation in the DOM: Content Processes component | 8.8 | 0.0041 | | | [CVE-2026-16366](https://patchblox.com/security/data/cve/CVE-2026-16366.md) | High | Privilege escalation in the DOM: Navigation component | 8.8 | 0.0040 | | | [CVE-2026-16401](https://patchblox.com/security/data/cve/CVE-2026-16401.md) | High | Privilege escalation in the Data Loss Prevention component | 8.8 | 0.0040 | | | [CVE-2026-74969](https://patchblox.com/security/data/cve/CVE-2026-74969.md) | High | Use-after-free in the Layout: Text and Fonts component | 8.8 | 0.0040 | | | [CVE-2026-74978](https://patchblox.com/security/data/cve/CVE-2026-74978.md) | High | Clickjacking issue in the Widget component | 8.1 | 0.0038 | | | [CVE-2026-16354](https://patchblox.com/security/data/cve/CVE-2026-16354.md) | High | Information disclosure in the Graphics: ImageLib component | 8.8 | 0.0034 | | | [CVE-2026-74946](https://patchblox.com/security/data/cve/CVE-2026-74946.md) | High | Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component | 8.8 | 0.0033 | | | [CVE-2026-74983](https://patchblox.com/security/data/cve/CVE-2026-74983.md) | High | Mitigation bypass in the Data Loss Prevention component | 8.1 | 0.0033 | | | [CVE-2026-74971](https://patchblox.com/security/data/cve/CVE-2026-74971.md) | High | Information disclosure in the DOM: UI Events & Focus Handling component | 7.5 | 0.0032 | | | [CVE-2026-74941](https://patchblox.com/security/data/cve/CVE-2026-74941.md) | High | Privilege escalation in the Graphics: CanvasWebGL component | 8.8 | 0.0032 | | | [CVE-2026-16374](https://patchblox.com/security/data/cve/CVE-2026-16374.md) | High | Information disclosure in the Framework component in DevTools | 8.8 | 0.0032 | | | [CVE-2026-16391](https://patchblox.com/security/data/cve/CVE-2026-16391.md) | High | Information disclosure in the Storage: IndexedDB component | 8.8 | 0.0032 | | | [CVE-2026-74976](https://patchblox.com/security/data/cve/CVE-2026-74976.md) | High | JIT miscompilation in the JavaScript Engine: JIT component | 7.5 | 0.0032 | | | [CVE-2026-74949](https://patchblox.com/security/data/cve/CVE-2026-74949.md) | High | Privilege escalation due to use-after-free in the Graphics: Canvas2D component | 8.8 | 0.0032 | | | [CVE-2026-74948](https://patchblox.com/security/data/cve/CVE-2026-74948.md) | High | Information disclosure in the Graphics component | 7.5 | 0.0031 | | | [CVE-2026-74935](https://patchblox.com/security/data/cve/CVE-2026-74935.md) | High | Privilege escalation in the DOM: Networking component | 8.8 | 0.0031 | | | [CVE-2026-74939](https://patchblox.com/security/data/cve/CVE-2026-74939.md) | High | Privilege escalation in the DOM: Navigation component | 8.8 | 0.0030 | | | [CVE-2026-74942](https://patchblox.com/security/data/cve/CVE-2026-74942.md) | High | Privilege escalation in the Remote Settings Client component | 8.8 | 0.0030 | | | [CVE-2026-74965](https://patchblox.com/security/data/cve/CVE-2026-74965.md) | High | Privilege escalation in the Shell Integration component | 8.8 | 0.0030 | | | [CVE-2026-74957](https://patchblox.com/security/data/cve/CVE-2026-74957.md) | High | Mitigation bypass in the Safe Browsing component | 8.1 | 0.0030 | | | [CVE-2026-16371](https://patchblox.com/security/data/cve/CVE-2026-16371.md) | High | Privilege escalation in the DOM: Navigation component | 8.8 | 0.0030 | | | [CVE-2026-74953](https://patchblox.com/security/data/cve/CVE-2026-74953.md) | High | Privilege escalation in the Networking: Cookies component | 8.8 | 0.0030 | | | [CVE-2026-16362](https://patchblox.com/security/data/cve/CVE-2026-16362.md) | High | Use-after-free in the WebRTC: Audio/Video component | 8.8 | 0.0029 | | | [CVE-2026-16365](https://patchblox.com/security/data/cve/CVE-2026-16365.md) | High | Privilege escalation in the DOM: Workers component | 8.8 | 0.0028 | | | [CVE-2026-16379](https://patchblox.com/security/data/cve/CVE-2026-16379.md) | High | Privilege escalation in the DOM: Content Processes component | 8.8 | 0.0028 | | | [CVE-2026-74972](https://patchblox.com/security/data/cve/CVE-2026-74972.md) | High | Information disclosure in the DOM: Push Subscriptions component | 7.5 | 0.0026 | | | [CVE-2026-16405](https://patchblox.com/security/data/cve/CVE-2026-16405.md) | High | Information disclosure in the Networking: WebSockets component | 8.8 | 0.0026 | | | [CVE-2026-16396](https://patchblox.com/security/data/cve/CVE-2026-16396.md) | High | Privilege escalation in WebExtensions | 8.8 | 0.0024 | | | [CVE-2026-16398](https://patchblox.com/security/data/cve/CVE-2026-16398.md) | High | Site isolation issue in the Graphics component | 7.5 | 0.0022 | | | [CVE-2026-16399](https://patchblox.com/security/data/cve/CVE-2026-16399.md) | High | Site isolation issue in the DOM: Navigation component | 7.5 | 0.0022 | | | [CVE-2026-74981](https://patchblox.com/security/data/cve/CVE-2026-74981.md) | High | Site isolation issue in the Audio/Video: Web Codecs component | 8.1 | 0.0021 | | | [CVE-2026-74973](https://patchblox.com/security/data/cve/CVE-2026-74973.md) | High | Race condition, use-after-free in the Graphics component | 7.5 | 0.0018 | | | [CVE-2026-74960](https://patchblox.com/security/data/cve/CVE-2026-74960.md) | High | Site isolation issue in the WebExtensions component | 8.1 | 0.0016 | | | [CVE-2026-74962](https://patchblox.com/security/data/cve/CVE-2026-74962.md) | High | Site isolation issue in the Networking: Cookies component | 8.1 | 0.0016 | | | [CVE-2026-74934](https://patchblox.com/security/data/cve/CVE-2026-74934.md) | High | Site isolation issue in the Graphics: CanvasWebGL component | 7.5 | 0.0016 | | | [CVE-2026-74974](https://patchblox.com/security/data/cve/CVE-2026-74974.md) | High | Same-origin policy bypass in the Graphics: ImageLib component | 7.5 | 0.0014 | | | [CVE-2026-74963](https://patchblox.com/security/data/cve/CVE-2026-74963.md) | High | Same-origin policy bypass in the Networking: Cookies component | 7.5 | 0.0012 | | | [CVE-2026-74967](https://patchblox.com/security/data/cve/CVE-2026-74967.md) | High | Same-origin policy bypass in the Audio/Video: Playback component | 7.5 | 0.0012 | | | [CVE-2026-16373](https://patchblox.com/security/data/cve/CVE-2026-16373.md) | Routine | MozillaFirefox: This update for MozillaFirefox, MozillaFirefox-branding-SLE, mozilla-nspr, mozilla-nss, rust-cbindgen fixes the follo... | n/a | 0.0037 | | | [CVE-2026-16403](https://patchblox.com/security/data/cve/CVE-2026-16403.md) | Routine | Spoofing issue in the Address Bar component | 6.5 | 0.0035 | | | [CVE-2026-16397](https://patchblox.com/security/data/cve/CVE-2026-16397.md) | Routine | Clickjacking issue in the WebExtensions component in Firefox for Android | 6.5 | 0.0030 | | | [CVE-2026-74984](https://patchblox.com/security/data/cve/CVE-2026-74984.md) | Routine | Race condition in the JavaScript Engine component | 6.8 | 0.0028 | | | [CVE-2026-16404](https://patchblox.com/security/data/cve/CVE-2026-16404.md) | Routine | MozillaFirefox: This update for MozillaFirefox, MozillaFirefox-branding-SLE, mozilla-nspr, mozilla-nss, rust-cbindgen fixes the follo... | n/a | 0.0028 | | | [CVE-2026-74968](https://patchblox.com/security/data/cve/CVE-2026-74968.md) | Routine | Site isolation issue in the Graphics: WebRender component | 5.4 | 0.0016 | | | [CVE-2026-74970](https://patchblox.com/security/data/cve/CVE-2026-74970.md) | Routine | Site isolation issue in the Graphics component | 5.4 | 0.0016 | | --- Data as of 2026-11-10T13:56:55Z UTC. 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