Search Results (3744 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2025-11721 1 Mozilla 2 Firefox, Thunderbird 2026-04-20 9.8 Critical
Memory safety bug present in Firefox 143 and Thunderbird 143. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 144 and Thunderbird 144.
CVE-2025-12380 1 Mozilla 1 Firefox 2026-04-20 9.8 Critical
Starting with Firefox 142, it was possible for a compromised child process to trigger a use-after-free in the GPU or browser process using WebGPU-related IPC calls. This may have been usable to escape the child process sandbox. This vulnerability was fixed in Firefox 144.0.2.
CVE-2025-13014 1 Mozilla 2 Firefox, Firefox Esr 2026-04-20 8.8 High
Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.
CVE-2025-13023 1 Mozilla 1 Firefox 2026-04-20 9.8 Critical
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
CVE-2025-13016 1 Mozilla 2 Firefox, Firefox Esr 2026-04-20 7.5 High
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.
CVE-2025-13025 1 Mozilla 1 Firefox 2026-04-20 7.5 High
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
CVE-2025-13026 1 Mozilla 1 Firefox 2026-04-20 9.8 Critical
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
CVE-2025-13018 1 Mozilla 2 Firefox, Firefox Esr 2026-04-20 8.1 High
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.
CVE-2025-14744 2 Apple, Mozilla 3 Ios, Firefox, Firefox For Ios 2026-04-20 6.5 Medium
Unicode RTLO characters could allow malicious websites to spoof filenames in the downloads UI for Firefox for iOS, potentially tricking users into saving files of an unexpected file type. This vulnerability was fixed in Firefox for iOS 144.0.
CVE-2025-14860 1 Mozilla 1 Firefox 2026-04-20 9.8 Critical
Use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 146.0.1.
CVE-2025-2857 1 Mozilla 1 Firefox 2026-04-20 10 Critical
Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in our IPC code. A compromised child process could cause the parent process to return an unintentionally powerful handle, leading to a sandbox escape. The original vulnerability was being exploited in the wild. *This only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 136.0.4, Firefox ESR 128.8.1, and Firefox ESR 115.21.1.
CVE-2025-3028 2 Mozilla, Redhat 8 Firefox, Thunderbird, Enterprise Linux and 5 more 2026-04-20 6.5 Medium
JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability was fixed in Firefox 137, Firefox ESR 115.22, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.
CVE-2025-3030 2 Mozilla, Redhat 8 Firefox, Thunderbird, Enterprise Linux and 5 more 2026-04-20 8.1 High
Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.
CVE-2025-3032 1 Mozilla 2 Firefox, Thunderbird 2026-04-20 7.4 High
Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability was fixed in Firefox 137 and Thunderbird 137.
CVE-2025-4082 1 Mozilla 2 Firefox, Thunderbird 2026-04-20 5.9 Medium
Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used to escalate privileges. *This bug only affects Thunderbird for macOS. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10.
CVE-2025-5271 1 Mozilla 1 Firefox 2026-04-20 6.5 Medium
Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability was fixed in Firefox 139 and Thunderbird 139.
CVE-2025-49710 1 Mozilla 1 Firefox 2026-04-20 9.8 Critical
An integer overflow was present in `OrderedHashTable` used by the JavaScript engine. This vulnerability was fixed in Firefox 139.0.4.
CVE-2025-6425 2 Mozilla, Redhat 8 Firefox, Firefox Esr, Enterprise Linux and 5 more 2026-04-20 4.3 Medium
An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.
CVE-2025-6432 1 Mozilla 1 Firefox 2026-04-20 8.6 High
When Multi-Account Containers was enabled, DNS requests could have bypassed a SOCKS proxy when the domain name was invalid or the SOCKS proxy was not responding. This vulnerability was fixed in Firefox 140 and Thunderbird 140.
CVE-2025-8031 2 Mozilla, Redhat 4 Firefox, Firefox Esr, Thunderbird and 1 more 2026-04-20 9.8 Critical
The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.