Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Total 3663 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2026-6754 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 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-2026-6753 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 7.3 HIGH
Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6752 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 7.3 HIGH
Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6751 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 7.3 HIGH
Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6750 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 8.8 HIGH
Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6749 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 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-2026-6748 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6747 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 7.5 HIGH
Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6746 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 7.5 HIGH
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6654 1 Mozilla 1 Thin-vec 2026-07-15 N/A 5.1 MEDIUM
Double-Free / Use-After-Free (UAF) in the `IntoIter::drop` and `ThinVec::clear` functions in the thin_vec crate. A panic in `ptr::drop_in_place` skips setting the length to zero.
CVE-2026-5735 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. 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 149.0.2 and Thunderbird 149.0.2.
CVE-2026-5734 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.
CVE-2026-5733 1 Mozilla 1 Firefox 2026-07-15 N/A 8.8 HIGH
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2.
CVE-2026-5732 1 Mozilla 1 Firefox 2026-07-15 N/A 8.8 HIGH
Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.
CVE-2026-5731 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 149.0.2, Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.
CVE-2026-15718 1 Mozilla 1 Firefox 2026-07-14 N/A 4.3 MEDIUM
We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6.
CVE-2026-14906 1 Mozilla 1 Firefox Mobile 2026-07-14 N/A 5.3 MEDIUM
Pages with malicious titles could potentially allow saved PDF content to overwrite PDF files or bundled content within the Firefox for iOS application sandbox. This vulnerability was fixed in Firefox for iOS 152.4.
CVE-2026-15719 1 Mozilla 1 Firefox 2026-07-14 N/A 5.4 MEDIUM
We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6.
CVE-2026-13356 1 Mozilla 1 Firefox 2026-07-08 N/A 6.3 MEDIUM
A malicious webpage could interrupt a pending navigation by enqueuing a synchronous JavaScript dialog, causing the browser UI to display the destination origin in the address bar while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 152.3.
CVE-2026-14241 1 Mozilla 1 Firefox 2026-07-06 N/A 9.8 CRITICAL
Memory safety bugs present in Firefox 152.0.3. 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 152.0.4.