Integer overflow

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 8 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird 52.6, Firefox ESR 52.6, a...

Design/Logic Flaw

A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash. This vulnerability affects Firefox 56, Firefox ESR 52.4, and Thunderbird 52.4...

Cross site scripting

An out-of-bounds write in the Graphite 2 library triggered with a maliciously crafted Graphite font. This results in a potentially exploitable crash. This issue was fixed in the Graphite 2 library as well as Mozilla products. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox...

Buffer overflow

A buffer overflow in WebGL triggerable by web content, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox ESR 52.1, and Firefox 53...

Memory corruption

During DOM manipulations of the accessibility tree through script, the DOM tree can become out of sync with the accessibility tree, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox ESR 52.1, and Firefox 53...

Design/Logic Flaw

A use-after-free vulnerability in SMIL animation functions occurs when pointers to animation elements in an array are dropped from the animation controller while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox E...

Design/Logic Flaw

A use-after-free vulnerability when using an incorrect URL during the reloading of a docshell. This results in a potentially exploitable crash. This vulnerability affects Firefox 54, Firefox ESR 52.2, and Thunderbird 52.2...

Double free

A potentially exploitable use-after-free crash during actor destruction with service workers. This issue does not affect releases earlier than Firefox 49. This vulnerability affects Firefox 49.0.2...

CVE-2016-5287

A potentially exploitable use-after-free crash during actor destruction with service workers. This issue does not affect releases earlier than Firefox 49. This vulnerability affects Firefox 49.0.2...

CVE-2016-5292

During URL parsing, a maliciously crafted URL can cause a potentially exploitable crash. This vulnerability affects Firefox 50...

Buffer overflow

A buffer overflow in SkiaGl caused when a GrGLBuffer is truncated during allocation. Later writers will overflow the buffer, resulting in a potentially exploitable crash. This vulnerability affects Firefox 50.1...

CVE-2017-5448

An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin GMP sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data with...

CVE-2017-5402

A use-after-free can occur when events are fired for a "FontFace" object after the object has been already been destroyed while working with fonts. This results in a potentially exploitable crash. This vulnerability affects Firefox 52, Firefox ESR 45.8, Thunderbird 52, and Thunderbird 45.8...

CVE-2018-5093

A heap buffer overflow vulnerability may occur in WebAssembly during Memory/Table resizing, resulting in a potentially exploitable crash. This vulnerability affects Firefox 58...

CVE-2017-5432

CVE-2017-5432 is a use-after-free in Firefox < 53 that can trigger a potentially exploitable crash during certain text-input selection. The vulnerability also affects related Mozilla products in older ESR/thunderbird branches (e.g., Thunderbird < 52.1; ESR

CVE-2017-5459

CVE-2017-5459 is a buffer overflow in the WebGL component triggerable by web content. Affected products include Mozilla Firefox (non-ESR) <53 and Thunderbird/Firefox ESR variants listed in the description (Thunderbird <52.1, Firefox ESR <45.9, Firefox ESR <52.1, Firefox

CVE-2017-7751

CVE-2017-7751 is a use-after-free vulnerability in Mozilla Firefox and Thunderbird associated with content viewer listeners, affecting Firefox versions before 54, ESR before 52.2, and Thunderbird before 52.2. The underlying issue is a memory safety flaw that can lead to a potentially exploitable ...

CVE-2017-5441

A use-after-free vulnerability when holding a selection during scroll events. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox ESR 52.1, and Firefox 53...

CVE-2017-5448

CVE-2017-5448 is an out-of-bounds write in ClearKeyDecryptor (Gecko Media Plugin sandbox). The issue allows writing arbitrary memory data, potentially causing a crash or remote code execution. Affected products include Firefox/Firefox ESR prior to patched versions; upstream advisories show fixes ...

CVE-2017-7819

A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash. This vulnerability affects Firefox 56, Firefox ESR 52.4, and Thunderbird 52.4...