Mozilla Focus
19 CVEs affecting Mozilla Focus. Latest disclosed: 2026-06-09. Critical: 1, High: 9.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2022-26486 | Critical | 9.6 | 2022-12-22 | An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abu… |
CVE-2023-29551 | High | 8.8 | 2023-06-02 | Memory safety bugs present in Firefox 111. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could h… |
CVE-2023-29550 | High | 8.8 | 2023-06-02 | Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort… |
CVE-2023-29543 | High | 8.8 | 2023-06-02 | An attacker could have caused memory corruption and a potentially exploitable use-after-free of a pointer in a global object's debugger vector. This vulnerabil… |
CVE-2023-29541 | High | 8.8 | 2023-06-02 | Firefox did not properly handle downloads of files ending in <code>.desktop</code>, which can be interpreted to run attacker-controlled commands. <br>*This bug… |
CVE-2023-29539 | High | 8.8 | 2023-06-02 | When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could… |
CVE-2023-29536 | High | 8.8 | 2023-06-02 | An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled memory, resulting in an assertion, memory corruptio… |
CVE-2022-26485 | High | 8.8 | 2022-12-22 | Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. Th… |
CVE-2026-11799 | High | 7.5 | 2026-06-09 | UXSS in Focus for iOS / Klar Webkit navigation. This vulnerability was fixed in Focus for iOS 151.3.1 and Klar for iOS 151.3.1. |
CVE-2023-29537 | High | 7.5 | 2023-06-02 | Multiple race conditions in the font initialization could have led to memory corruption and execution of attacker-controlled code. This vulnerability affects F… |
CVE-2023-29549 | Medium | 6.5 | 2023-06-02 | Under certain circumstances, a call to the <code>bind</code> function may have resulted in the incorrect realm. This may have created a vulnerability relating… |
CVE-2023-29548 | Medium | 6.5 | 2023-06-02 | A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result. This vulnerability affects Firefox < 112, Focus for Android < 1… |
CVE-2023-29547 | Medium | 6.5 | 2023-06-02 | When a secure cookie existed in the Firefox cookie jar an insecure cookie for the same domain could have been created, when it should have silently failed. Thi… |
CVE-2023-29544 | Medium | 6.5 | 2023-06-02 | If multiple instances of resource exhaustion occurred at the incorrect time, the garbage collector could have caused memory corruption and a potentially exploi… |
CVE-2023-29535 | Medium | 6.5 | 2023-06-02 | Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentia… |
CVE-2025-3859 | Medium | 6.1 | 2025-04-30 | Websites directing users to long URLs that caused eliding to occur in the location view could leverage the truncating behavior to potentially trick users into… |
CVE-2023-29540 | Medium | 6.1 | 2023-06-02 | Using a redirect embedded into <code>sourceMappingUrls</code> could allow for navigation to external protocol links in sandboxed iframes without <code>allow-to… |
CVE-2023-29538 | Medium | 4.3 | 2023-06-02 | Under specific circumstances a WebExtension may have received a <code>jar:file:///</code> URI instead of a <code>moz-extension:///</code> URI during a load req… |
CVE-2023-29533 | Medium | 4.3 | 2023-06-02 | A website could have obscured the fullscreen notification by using a combination of <code>window.open</code>, fullscreen requests, <code>window.name</code> ass… |