Design/Logic Flaw

A use-after-free vulnerability with content viewer listeners that results in a potentially exploitable crash. This vulnerability affects Firefox 54, Firefox ESR 52.2, and Thunderbird 52.2...

Design/Logic Flaw

A use-after-free vulnerability with the frameloader during tree reconstruction while regenerating CSS layout when attempting to use a node in the tree that no longer exists. This results in a potentially exploitable crash. This vulnerability affects Firefox 54, Firefox ESR 52.2, and Thunderbird...

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...

Design/Logic Flaw

A use-after-free vulnerability during XSLT processing due to a failure to propagate error conditions during matching while evaluating context, leading to objects being used when they no longer exist. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 52.1,...

Code injection

Weak proxy objects have weak references on multiple threads when they should only have them on one, resulting in incorrect memory usage and corruption, which leads to potentially exploitable crashes. Note: This issue only affects Firefox for Android. Other operating systems are not affected. This...

Design/Logic Flaw

A use-after-free error can occur when manipulating ranges in selections with one node inside a native anonymous tree and one node outside of it. This results in a potentially exploitable crash. This vulnerability affects Firefox 52, Firefox ESR 45.8, Thunderbird 52, and Thunderbird 45.8...

CVE-2017-5411

A use-after-free can occur during buffer storage operations within the ANGLE graphics library, used for WebGL content. The buffer storage can be freed while still in use in some circumstances, leading to a potentially exploitable crash. Note: This issue is in "libGLES", which is only in use on...

Double free

A use-after-free during web animations when working with timelines resulting in a potentially exploitable crash. This vulnerability affects Firefox 50...

Design/Logic Flaw

A use-after-free vulnerability can occur when the widget listener is holding strong references to browser objects that have previously been freed, resulting in a potentially exploitable crash when these references are used. This vulnerability affects Thunderbird 52.6, Firefox ESR 52.6, and Firefo...

Design/Logic Flaw

A use-after-free vulnerability can occur when manipulating floating "first-letter" style elements, resulting in a potentially exploitable crash. This vulnerability affects Firefox 58...

Design/Logic Flaw

A use-after-free vulnerability can occur during WebRTC connections when interacting with the DTMF timers. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR 52.6 and Firefox 58...

Design/Logic Flaw

A use-after-free vulnerability can occur during mouse event handling due to issues with multiprocess support. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 52.6, Firefox ESR 52.6, and Firefox 58...

Design/Logic Flaw

A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird 52.6, Firefox ESR 52.6, and Firefox 58...

Design/Logic Flaw

A use-after-free vulnerability can occur while adjusting layout during SVG animations with text paths. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 52.8, Thunderbird ESR 52.8, Firefox 60, and Firefox ESR 52.8...

Buffer overflow

A buffer overflow can occur when manipulating Accessible Rich Internet Applications ARIA attributes within the DOM. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 52.3, Firefox ESR 52.3, and Firefox 55...

Design/Logic Flaw

A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 52.3, Firefox ESR 52.3, and Firefox 55...

Buffer overflow

A buffer overflow can occur when the image renderer attempts to paint non-displayable SVG elements. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 52.3, Firefox ESR 52.3, and Firefox 55...

Design/Logic Flaw

A use-after-free vulnerability can occur while editing events in form elements on a page, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR 52.6 and Thunderbird 52.6...

Heap overflow

A heap buffer overflow vulnerability may occur in WebAssembly when "shrinkElements" is called followed by garbage collection on memory that is now uninitialized. This results in a potentially exploitable crash. This vulnerability affects Firefox 58...

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...