Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Filtered by product Firefox
Total 3219 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2024-4367 3 Debian, Mozilla, Open-xchange 4 Debian Linux, Firefox, Thunderbird and 1 more 2026-06-17 N/A 8.8 HIGH
A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
CVE-2024-43113 1 Mozilla 1 Firefox 2026-06-17 N/A 6.1 MEDIUM
The contextual menu for links could provide an opportunity for cross-site scripting attacks This vulnerability affects Firefox for iOS < 129.
CVE-2024-43112 1 Mozilla 1 Firefox 2026-06-17 N/A 6.1 MEDIUM
Long pressing on a download link could potentially provide a means for cross-site scripting This vulnerability affects Firefox for iOS < 129.
CVE-2024-43111 1 Mozilla 1 Firefox 2026-06-17 N/A 6.1 MEDIUM
Long pressing on a download link could potentially allow Javascript commands to be executed within the browser This vulnerability affects Firefox for iOS < 129.
CVE-2024-3865 1 Mozilla 1 Firefox 2026-06-17 N/A 8.1 HIGH
Memory safety bugs present in Firefox 124. 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 < 125.
CVE-2024-3864 2 Debian, Mozilla 3 Debian Linux, Firefox, Thunderbird 2026-06-17 N/A 8.1 HIGH
Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. 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 < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
CVE-2024-3863 1 Mozilla 2 Firefox, Thunderbird 2026-06-17 N/A 9.8 CRITICAL
The executable file warning was not presented when downloading .xrm-ms files. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
CVE-2024-3862 1 Mozilla 1 Firefox 2026-06-17 N/A 5.3 MEDIUM
The MarkStack assignment operator, part of the JavaScript engine, could access uninitialized memory if it were used in a self-assignment. This vulnerability affects Firefox < 125.
CVE-2024-3861 2 Debian, Mozilla 3 Debian Linux, Firefox, Thunderbird 2026-06-17 N/A 4.0 MEDIUM
If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and later use-after-free. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
CVE-2024-3860 1 Mozilla 1 Firefox 2026-06-17 N/A 6.2 MEDIUM
An out-of-memory condition during object initialization could result in an empty shape list. If the JIT subsequently traced the object it would crash. This vulnerability affects Firefox < 125.
CVE-2024-3859 2 Debian, Mozilla 3 Debian Linux, Firefox, Thunderbird 2026-06-17 N/A 5.9 MEDIUM
On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
CVE-2024-3858 1 Mozilla 1 Firefox 2026-06-17 N/A 7.5 HIGH
It was possible to mutate a JavaScript object so that the JIT could crash while tracing it. This vulnerability affects Firefox < 125.
CVE-2024-3857 2 Debian, Mozilla 3 Debian Linux, Firefox, Thunderbird 2026-06-17 N/A 7.8 HIGH
The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free crashes during garbage collection. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
CVE-2024-3856 1 Mozilla 1 Firefox 2026-06-17 N/A 8.8 HIGH
A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array. This vulnerability affects Firefox < 125.
CVE-2024-3855 1 Mozilla 1 Firefox 2026-06-17 N/A 6.5 MEDIUM
In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125.
CVE-2024-3854 1 Mozilla 2 Firefox, Thunderbird 2026-06-17 N/A 8.8 HIGH
In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
CVE-2024-3853 1 Mozilla 1 Firefox 2026-06-17 N/A 7.5 HIGH
A use-after-free could result if a JavaScript realm was in the process of being initialized when a garbage collection started. This vulnerability affects Firefox < 125.
CVE-2024-3852 1 Mozilla 2 Firefox, Thunderbird 2026-06-17 N/A 7.5 HIGH
GetBoundName could return the wrong version of an object when JIT optimizations were applied. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
CVE-2024-3302 1 Mozilla 2 Firefox, Thunderbird 2026-06-17 N/A 3.7 LOW
There was no limit to the number of HTTP/2 CONTINUATION frames that would be processed. A server could abuse this to create an Out of Memory condition in the browser. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
CVE-2024-38313 1 Mozilla 1 Firefox 2026-06-17 N/A 4.3 MEDIUM
In certain scenarios a malicious website could attempt to display a fake location URL bar which could mislead users as to the actual website address This vulnerability affects Firefox for iOS < 127.