Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Filtered by product Thunderbird
Total 1552 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2020-6820 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-10-22 6.8 MEDIUM 8.1 HIGH
Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.
CVE-2020-6819 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-10-22 6.8 MEDIUM 8.1 HIGH
Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.
CVE-2019-17026 2 Canonical, Mozilla 3 Ubuntu Linux, Firefox, Thunderbird 2025-10-22 6.8 MEDIUM 8.8 HIGH
Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1.
CVE-2016-9079 5 Debian, Microsoft, Mozilla and 2 more 11 Debian Linux, Windows, Firefox and 8 more 2025-10-22 5.0 MEDIUM 7.5 HIGH
A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild targeting Firefox and Tor Browser users on Windows. This vulnerability affects Firefox < 50.0.2, Firefox ESR < 45.5.1, and Thunderbird < 45.5.1.
CVE-2024-9680 2 Debian, Mozilla 3 Debian Linux, Firefox, Thunderbird 2025-10-21 N/A 9.8 CRITICAL
An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, Firefox ESR < 115.16.1, Thunderbird < 131.0.1, Thunderbird < 128.3.1, and Thunderbird < 115.16.0.
CVE-2025-11713 1 Mozilla 2 Firefox, Thunderbird 2025-10-20 N/A 8.1 HIGH
Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows. This did not affect Firefox running on other operating systems. This vulnerability affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVE-2025-11708 1 Mozilla 2 Firefox, Thunderbird 2025-10-17 N/A 9.8 CRITICAL
Use-after-free in MediaTrackGraphImpl::GetInstance() This vulnerability affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVE-2025-11709 1 Mozilla 2 Firefox, Thunderbird 2025-10-17 N/A 9.8 CRITICAL
A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVE-2025-11710 1 Mozilla 2 Firefox, Thunderbird 2025-10-17 N/A 9.8 CRITICAL
A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVE-2025-11711 1 Mozilla 2 Firefox, Thunderbird 2025-10-17 N/A 6.5 MEDIUM
There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVE-2025-11712 1 Mozilla 2 Firefox, Thunderbird 2025-10-17 N/A 6.1 MEDIUM
A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a site that unsafely serves files without a content-type header. This vulnerability affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVE-2025-11714 1 Mozilla 2 Firefox, Thunderbird 2025-10-16 N/A 8.8 HIGH
Memory safety bugs present in Firefox ESR 115.28, 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 affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVE-2025-11715 1 Mozilla 2 Firefox, Thunderbird 2025-10-16 N/A 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 affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVE-2025-11716 2 Google, Mozilla 3 Android, Firefox, Thunderbird 2025-10-16 N/A 6.5 MEDIUM
Links in a sandboxed iframe could open an external app on Android without the required "allow-" permission. This vulnerability affects Firefox < 144 and Thunderbird < 144.
CVE-2025-11719 2 Microsoft, Mozilla 3 Windows, Firefox, Thunderbird 2025-10-15 N/A 9.8 CRITICAL
Starting in Firefox 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 affects Firefox < 144 and Thunderbird < 144.
CVE-2025-11721 1 Mozilla 2 Firefox, Thunderbird 2025-10-15 N/A 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 affects Firefox < 144 and Thunderbird < 144.
CVE-2025-8038 1 Mozilla 2 Firefox, Thunderbird 2025-09-29 N/A 9.8 CRITICAL
Thunderbird ignored paths when checking the validity of navigations in a frame. This vulnerability affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird < 140.1.
CVE-2025-8036 1 Mozilla 2 Firefox, Thunderbird 2025-09-29 N/A 8.1 HIGH
Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird < 140.1.
CVE-2025-8029 1 Mozilla 2 Firefox, Thunderbird 2025-09-29 N/A 8.1 HIGH
Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
CVE-2024-6600 1 Mozilla 2 Firefox, Thunderbird 2025-09-26 N/A 6.3 MEDIUM
Due to large allocation checks in Angle for GLSL shaders being too lenient an out-of-bounds access could occur when allocating more than 8192 ints in private shader memory on macOS. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.