Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Total 3508 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2023-23600 1 Mozilla 1 Firefox 2025-12-18 N/A 6.5 MEDIUM
Per origin notification permissions were being stored in a way that didn't take into account what browsing context the permission was granted in. This lead to the possibility of notifications to be displayed during different browsing sessions. *This bug only affects Firefox for Android. Other operating systems are unaffected.* This vulnerability affects Firefox < 109.
CVE-2023-23599 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-12-18 N/A 6.5 MEDIUM
When copying a network request from the developer tools panel as a curl command the output was not being properly sanitized and could allow arbitrary commands to be hidden within. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7.
CVE-2023-23598 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-12-18 N/A 6.5 MEDIUM
Due to the Firefox GTK wrapper code's use of text/plain for drag data and GTK treating all text/plain MIMEs containing file URLs as being dragged a website could arbitrarily read a file via a call to `DataTransfer.setData`. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7.
CVE-2023-23597 1 Mozilla 1 Firefox 2025-12-18 N/A 6.5 MEDIUM
A compromised web child process could disable web security opening restrictions, leading to a new child process being spawned within the `file://` context. Given a reliable exploit primitive, this new process could be exploited again leading to arbitrary file read. This vulnerability affects Firefox < 109.
CVE-2025-14330 1 Mozilla 2 Firefox, Thunderbird 2025-12-11 N/A 9.8 CRITICAL
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
CVE-2025-14326 1 Mozilla 2 Firefox, Thunderbird 2025-12-11 N/A 9.8 CRITICAL
Use-after-free in the Audio/Video: GMP component. This vulnerability affects Firefox < 146 and Thunderbird < 146.
CVE-2025-14321 1 Mozilla 2 Firefox, Thunderbird 2025-12-11 N/A 9.8 CRITICAL
Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
CVE-2025-14324 1 Mozilla 2 Firefox, Thunderbird 2025-12-11 N/A 9.8 CRITICAL
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
CVE-2025-14322 1 Mozilla 2 Firefox, Thunderbird 2025-12-10 N/A 8.0 HIGH
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
CVE-2025-14323 1 Mozilla 2 Firefox, Thunderbird 2025-12-10 N/A 8.8 HIGH
Privilege escalation in the DOM: Notifications component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
CVE-2025-14328 1 Mozilla 2 Firefox, Thunderbird 2025-12-10 N/A 8.8 HIGH
Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
CVE-2025-14329 1 Mozilla 2 Firefox, Thunderbird 2025-12-10 N/A 8.8 HIGH
Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
CVE-2025-14331 1 Mozilla 2 Firefox, Thunderbird 2025-12-10 N/A 6.5 MEDIUM
Same-origin policy bypass in the Request Handling component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
CVE-2025-14332 1 Mozilla 2 Firefox, Thunderbird 2025-12-10 N/A 7.3 HIGH
Memory safety bugs present in Firefox 145 and Thunderbird 145. 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 < 146 and Thunderbird < 146.
CVE-2025-6703 1 Mozilla 1 Neqo 2025-12-03 N/A 6.5 MEDIUM
Improper Input Validation vulnerability in Mozilla neqo leads to an unexploitable crash..This issue affects neqo: from 0.4.24 through 0.13.2.
CVE-2017-5448 3 Debian, Mozilla, Redhat 8 Debian Linux, Firefox, Enterprise Linux and 5 more 2025-11-25 7.5 HIGH 8.6 HIGH
An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
CVE-2018-12371 1 Mozilla 2 Firefox, Thunderbird 2025-11-25 6.8 MEDIUM 8.8 HIGH
An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 16 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 60.1, Thunderbird < 60, and Firefox < 61.
CVE-2013-5597 1 Mozilla 4 Firefox, Seamonkey, Thunderbird and 1 more 2025-11-25 10.0 HIGH N/A
Use-after-free vulnerability in the nsDocLoader::doStopDocumentLoad function in Mozilla Firefox before 25.0, Firefox ESR 17.x before 17.0.10 and 24.x before 24.1, Thunderbird before 24.1, Thunderbird ESR 17.x before 17.0.10, and SeaMonkey before 2.22 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving a state-change event during an update of the offline cache.
CVE-2017-7751 3 Debian, Mozilla, Redhat 9 Debian Linux, Firefox, Thunderbird and 6 more 2025-11-25 7.5 HIGH 9.8 CRITICAL
A use-after-free vulnerability with content viewer listeners that results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
CVE-2013-5602 1 Mozilla 4 Firefox, Seamonkey, Thunderbird and 1 more 2025-11-25 10.0 HIGH N/A
The Worker::SetEventListener function in the Web workers implementation in Mozilla Firefox before 25.0, Firefox ESR 17.x before 17.0.10 and 24.x before 24.1, Thunderbird before 24.1, Thunderbird ESR 17.x before 17.0.10, and SeaMonkey before 2.22 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to direct proxies.