Filtered by vendor Mozilla Subscriptions
Filtered by product Firefox Subscriptions
Total 3124 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2025-11715 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-20 8.8 High
Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
CVE-2025-11716 2 Google, Mozilla 3 Android, Firefox, Thunderbird 2026-04-20 6.5 Medium
Links in a sandboxed iframe could open an external app on Android without the required "allow-" permission. This vulnerability was fixed in Firefox 144 and Thunderbird 144.
CVE-2025-11719 2 Microsoft, Mozilla 3 Windows, Firefox, Thunderbird 2026-04-20 9.8 Critical
Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability was fixed in Firefox 144 and Thunderbird 144.
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-2025-0244 1 Mozilla 1 Firefox 2026-04-20 5.3 Medium
When redirecting to an invalid protocol scheme, an attacker could spoof the address bar. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 134.
CVE-2025-0245 1 Mozilla 1 Firefox 2026-04-20 3.3 Low
Under certain circumstances, a user opt-in setting that Focus should require authentication before use could have been be bypassed. This vulnerability was fixed in Firefox 134.
CVE-2025-0246 2 Google, Mozilla 2 Android, Firefox 2026-04-20 6.5 Medium
When using an invalid protocol scheme, an attacker could spoof the address bar. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.* *Note: This issue is a different issue from CVE-2025-0244. This vulnerability was fixed in Firefox 134.
CVE-2025-0237 2 Mozilla, Redhat 8 Firefox, Thunderbird, Enterprise Linux and 5 more 2026-04-20 5.4 Medium
The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege escalation attacks. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
CVE-2025-0238 2 Mozilla, Redhat 8 Firefox, Thunderbird, Enterprise Linux and 5 more 2026-04-20 5.3 Medium
Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Firefox ESR 115.19, Thunderbird 134, and Thunderbird 128.6.
CVE-2025-0240 2 Mozilla, Redhat 8 Firefox, Thunderbird, Enterprise Linux and 5 more 2026-04-20 4 Medium
Parsing a JavaScript module as JSON could, under some circumstances, cause cross-compartment access, which may result in a use-after-free. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
CVE-2025-0243 2 Mozilla, Redhat 8 Firefox, Thunderbird, Enterprise Linux and 5 more 2026-04-20 5.1 Medium
Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. 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 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.