Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Total 3821 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2026-74951 1 Mozilla 1 Firefox Mobile 2026-08-19 N/A 6.5 MEDIUM
Clickjacking issue in Firefox for Android. This vulnerability was fixed in Firefox 154.
CVE-2026-74963 1 Mozilla 2 Firefox, Thunderbird 2026-08-19 N/A 5.4 MEDIUM
Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74958 1 Mozilla 2 Firefox, Thunderbird 2026-08-19 N/A 7.5 HIGH
Information disclosure in the WebRTC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74956 1 Mozilla 2 Firefox, Thunderbird 2026-08-19 N/A 9.1 CRITICAL
Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74954 1 Mozilla 2 Firefox, Thunderbird 2026-08-19 N/A 7.5 HIGH
Information disclosure due to side-channel in the Storage: Cache API component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74938 1 Mozilla 2 Firefox, Thunderbird 2026-08-19 N/A 9.1 CRITICAL
Mitigation bypass in the JavaScript: GC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74937 1 Mozilla 2 Firefox, Thunderbird 2026-08-19 N/A 8.8 HIGH
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-14899 1 Mozilla 1 Thunderbird 2026-08-12 N/A 7.5 HIGH
The code to parse MIME headers for display when forwarding a message (if the setting to view all headers was enabled) had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. This vulnerability was fixed in Thunderbird 153 and Thunderbird 140.13.
CVE-2026-8091 1 Mozilla 2 Firefox, Thunderbird 2026-08-11 N/A 9.8 CRITICAL
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.
CVE-2026-16389 1 Mozilla 2 Firefox, Thunderbird 2026-08-10 N/A 9.8 CRITICAL
Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16392 1 Mozilla 2 Firefox, Thunderbird 2026-08-06 N/A 9.1 CRITICAL
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2024-9680 2 Debian, Mozilla 3 Debian Linux, Firefox, Thunderbird 2026-08-04 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-2026-8094 1 Mozilla 2 Firefox, Thunderbird 2026-07-28 N/A 9.8 CRITICAL
Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.
CVE-2026-8092 1 Mozilla 2 Firefox, Thunderbird 2026-07-28 N/A 8.1 HIGH
Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. 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 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.
CVE-2026-8090 1 Mozilla 2 Firefox, Thunderbird 2026-07-28 N/A 7.3 HIGH
Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.
CVE-2026-16384 1 Mozilla 2 Firefox, Thunderbird 2026-07-27 N/A 7.5 HIGH
Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16385 1 Mozilla 2 Firefox, Thunderbird 2026-07-27 N/A 7.5 HIGH
Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16386 1 Mozilla 2 Firefox, Thunderbird 2026-07-27 N/A 7.5 HIGH
Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16401 1 Mozilla 2 Firefox, Thunderbird 2026-07-24 N/A 8.8 HIGH
Privilege escalation in the Data Loss Prevention component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16396 1 Mozilla 2 Firefox, Thunderbird 2026-07-24 N/A 8.8 HIGH
Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.