Search Results (3742 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2026-6776 1 Mozilla 2 Firefox, Thunderbird 2026-04-22 7.8 High
Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6749 1 Mozilla 2 Firefox, Thunderbird 2026-04-22 7.5 High
Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6770 1 Mozilla 2 Firefox, Thunderbird 2026-04-22 6.5 Medium
Other issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6754 1 Mozilla 2 Firefox, Thunderbird 2026-04-22 7.5 High
Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6758 1 Mozilla 2 Firefox, Thunderbird 2026-04-22 7.5 High
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6768 1 Mozilla 2 Firefox, Thunderbird 2026-04-22 9.8 Critical
Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6766 1 Mozilla 2 Firefox, Thunderbird 2026-04-22 7.5 High
Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2025-14323 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-22 8.8 High
Privilege escalation in the DOM: Notifications component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
CVE-2026-2781 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-22 8.8 High
Integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, Thunderbird 140.8, and Firefox ESR 115.35.
CVE-2025-3029 2 Mozilla, Redhat 8 Firefox, Thunderbird, Enterprise Linux and 5 more 2026-04-22 7.3 High
A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.
CVE-2025-8027 2 Mozilla, Redhat 4 Firefox, Firefox Esr, Thunderbird and 1 more 2026-04-22 6.5 Medium
On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
CVE-2025-8043 1 Mozilla 2 Firefox, Thunderbird 2026-04-22 9.8 Critical
Focus incorrectly truncated URLs towards the beginning instead of around the origin. This vulnerability was fixed in Firefox 141.
CVE-2025-3031 1 Mozilla 2 Firefox, Thunderbird 2026-04-21 6.5 Medium
An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability was fixed in Firefox 137 and Thunderbird 137.
CVE-2025-4084 1 Mozilla 2 Firefox, Thunderbird 2026-04-21 5.7 Medium
Due to insufficient escaping of the special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. *This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox ESR 128.10, Firefox ESR 115.23, and Thunderbird 128.10.
CVE-2025-4086 1 Mozilla 2 Firefox, Thunderbird 2026-04-21 6.5 Medium
A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog. *This bug only affects Thunderbird for Android. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138 and Thunderbird 138.
CVE-2025-4089 1 Mozilla 2 Firefox, Thunderbird 2026-04-21 5.1 Medium
Due to insufficient escaping of special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability was fixed in Firefox 138 and Thunderbird 138.
CVE-2026-2791 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-21 9.8 Critical
Mitigation bypass in the Networking: Cache component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2788 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-21 9.8 Critical
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2025-6426 2 Apple, Mozilla 3 Macos, Firefox, Firefox Esr 2026-04-20 8.8 High
The executable file warning did not warn users before opening files with the `terminal` extension. *This bug only affects Firefox for macOS. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.
CVE-2025-8036 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-20 8.1 High
Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.