Memory corruption

An optimization in WebGL was incorrect in some cases, and could have led to memory corruption and a potentially exploitable crash. Note: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 106...

Heap overflow

Applying a CSS filter effect could have accessed out of bounds memory. This could have lead to a heap-buffer-overflow causing a potentially exploitable crash. This vulnerability affects Firefox ESR 91.5, Firefox 96, and Thunderbird 91.5...

Design/Logic Flaw

An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR 102.3, Thunderbird 102.3, and Firefox 105...

Code injection

Concurrent use of the URL parser with non-UTF-8 data was not thread-safe. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR 102.3, Thunderbird 102.3, and Firefox 105...

Stack overflow

During startup, a graphics driver with an unexpected name could lead to a stack-buffer overflow causing a potentially exploitable crash.This issue only affects Firefox for Android. Other operating systems are not affected.. This vulnerability affects Firefox 105...

Design/Logic Flaw

When inserting text while in edit mode, some characters might have lead to out-of-bounds memory access causing a potentially exploitable crash. This vulnerability affects Firefox ESR 91.5, Firefox 96, and Thunderbird 91.5...

Design/Logic Flaw

An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially exploitable crash. This vulnerability affects Firefox 98, Firefox ESR 91.7, and Thunderbird 91.7...

Design/Logic Flaw

If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent process, an out of bounds write would have occurred leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 91.8, Firefox 99, and...

Memory corruption

Certain types of allocations were missing annotations that, if the Garbage Collector was in a specific state, could have lead to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox 106, Firefox ESR 102.4, and Thunderbird 102.4...

CVE-2022-40960

Concurrent use of the URL parser with non-UTF-8 data was not thread-safe. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR 102.3, Thunderbird 102.3, and Firefox 105...

CVE-2022-40961

During startup, a graphics driver with an unexpected name could lead to a stack-buffer overflow causing a potentially exploitable crash.This issue only affects Firefox for Android. Other operating systems are not affected.. This vulnerability affects Firefox 105...

CVE-2022-26485

Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox 97.0.2, Firefox ESR 91.6.1, Firefox for Android 97.3.0, Thunderbird 91.6.2, and Focus 97.3.0...

CVE-2022-31740

On arm64, WASM code could have resulted in incorrect assembly generation leading to a register allocation problem, and a potentially exploitable crash. This vulnerability affects Thunderbird 91.10, Firefox 101, and Firefox ESR 91.10...

CVE-2021-4128

When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.This bug only affects Firefox on MacOS. Other operating systems are unaffected.. This vulnerability affects Firefox 95...

CVE-2022-45407

The CVE-2022-45407 entry describes a Firefox vulnerability where loading a font via FontFace() on a background worker could trigger a use-after-free, potentially enabling a crash. Affected product: Mozilla Firefox prior to version 107. Root cause: memory safety issue in handling FontFace() usage ...

CVE-2022-46880

CVE-2022-46880 describes a missing check related to tex units that could cause a use-after-free and an exploitable crash. Affected products include Firefox (ESR < 102.6, and Firefox < 105) and Thunderbird

CVE-2022-46881

CVE-2022-46881 is a memory safety issue in WebGL where an optimization could cause memory corruption and a potentially exploitable crash. Affected products per provided sources are Firefox releases before 106, Firefox ESR before 102.6, and Thunderbird before 102.6. The root cause is a WebGL optim...

CVE-2022-26385

In unusual circumstances, an individual thread may outlive the thread's manager during shutdown. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox 98...

CVE-2022-26381

An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially exploitable crash. This vulnerability affects Firefox 98, Firefox ESR 91.7, and Thunderbird 91.7...

CVE-2022-26381

CVE-2022-26381 describes a use-after-free risk caused by forcing a text reflow in an SVG object, potentially exploitable as a crash. Affected products include Mozilla Firefox (less than 98) and Firefox ESR (less than 91.7) and Mozilla Thunderbird (less than 91.7). External documents (Astra Linux,...