The JavaScript garbage collector could mis-color cross-compartment objects if OOM conditions were detected at the right point between two passes. Thi…
A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability. This vulner…
Memory safety bugs present in Firefox 129, Firefox ESR 128.1, and Thunderbird 128.1. Some of these bugs showed evidence of memory corruption and we p…
Internal browser event interfaces were exposed to web content when privileged EventHandler listener callbacks ran for those events. Web content that …
Firefox normally asks for confirmation before asking the operating system to find an application to handle a scheme that the browser does not support…
If a site had been granted the permission to open popup windows, it could cause Select elements to appear on top of another site to perform a spoofin…
Multiple prompts and panels from both Firefox and the Android OS could be used to obscure the notification announcing the transition to fullscreen mo…
Long pressing on a download link could potentially allow Javascript commands to be executed within the browser This vulnerability affects Firefox for…
Long pressing on a download link could potentially provide a means for cross-site scripting This vulnerability affects Firefox for iOS < 129.
The contextual menu for links could provide an opportunity for cross-site scripting attacks This vulnerability affects Firefox for iOS < 129.
Insufficient checks when processing graphics shared memory could have led to memory corruption. This could be leveraged by an attacker to perform a s…
A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution. This vulnerability affects Firefox < 129…
Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox …
Editor code failed to check an attribute value. This could have led to an out-of-bounds read. This vulnerability affects Firefox < 129, Firefox ESR <…
Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, …
Incorrect garbage collection interaction in IndexedDB could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 128…
Incorrect garbage collection interaction could have led to a use-after-free. This vulnerability affects Firefox < 129.
A select option could partially obscure security prompts. This could be used by a malicious site to trick a user into granting permissions. *This is…
It was possible for a web extension with minimal permissions to create a `StreamFilter` which could be used to read and modify the response body of r…
ANGLE failed to initialize parameters which lead to reading from uninitialized memory. This could be leveraged to leak sensitive data from memory. Th…
The date picker could partially obscure security prompts. This could be used by a malicious site to trick a user into granting permissions. This vuln…
Calling `PK11_Encrypt()` in NSS using CKM_CHACHA20 and the same buffer for input and output can result in plaintext on an Intel Sandy Bridge processo…
Firefox adds web-compatibility shims in place of some tracking scripts blocked by Enhanced Tracking Protection. On a site protected by Content Secur…
Select options could obscure the fullscreen notification dialog. This could be used by a malicious site to perform a spoofing attack. This vulnerabil…
A nested iframe, triggering a cross-site navigation, could send SameSite=Strict or Lax cookies. This vulnerability affects Firefox < 128 and Thunderb…
Memory safety bugs present in Firefox 127 and Thunderbird 127. Some of these bugs showed evidence of memory corruption and we presume that with enoug…
The frame iterator could get stuck in a loop when encountering certain wasm frames leading to incorrect stack traces. This vulnerability affects Fire…
CSP violations generated links in the console tab of the developer tools, pointing to the violating resource. This caused a DNS prefetch which leaked…
A mismatch between allocator and deallocator could have led to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thu…
Firefox Android allowed immediate interaction with permission prompts. This could be used for tapjacking. This vulnerability affects Firefox < 128.