A use-after-free vulnerability can occur while editing events in form elements on a page, resulting in a potentially exploitable crash

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 8 GB of RAM

A use-after-free vulnerability can occur during WebRTC connections when interacting with the DTMF timers

A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use

Memory safety bugs were reported in Firefox 56 and Firefox ESR 52.4

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

A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications (ARIA) elements within containers through the DOM

Memory safety bugs were reported in Firefox 55 and Firefox ESR 52.3

A use-after-free vulnerability can occur when an editor DOM node is deleted prematurely during tree traversal while still bound to the document

A use-after-free vulnerability can occur when manipulating the DOM during the resize event of an image element

A use-after-free vulnerability can occur while re-computing layout for a "marquee" element during window resizing where the updated style object is freed while still in use

A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished

A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash

A buffer overflow will occur when viewing a certificate in the certificate manager if the certificate has an extremely long object identifier (OID)

A buffer overflow can occur when the image renderer attempts to paint non-displayable SVG elements

A buffer overflow can occur when manipulating Accessible Rich Internet Applications (ARIA) attributes within the DOM

A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed

Memory safety bugs were reported in Firefox 54, Firefox ESR 52.2, and Thunderbird 52.2

A use-after-free vulnerability with content viewer listeners that results in a potentially exploitable crash

A use-after-free vulnerability during video control operations when a "<track>" element holds a reference to an older window if that window has been replaced in the DOM

A use-after-free vulnerability when using an incorrect URL during the reloading of a docshell

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

Memory safety bugs were reported in Firefox 53 and Firefox ESR 52.1

Fixed potential buffer overflows in generated Firefox code due to CVE-2016-6354 issue in Flex

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…

A use-after-free vulnerability in frame selection triggered by a combination of malicious script content and key presses by a user

A buffer overflow in WebGL triggerable by web content, resulting in a potentially exploitable crash

A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message

An out-of-bounds read when an HTTP/2 connection to a servers sends "DATA" frames with incorrect data content

An out-of-bounds write vulnerability while decoding improperly formed BinHex format archives

A use-after-free vulnerability during changes in style when manipulating DOM elements

A use-after-free vulnerability when holding a selection during scroll events

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…

A use-after-free vulnerability during XSLT processing due to poor handling of template parameters

A use-after-free vulnerability during XSLT processing due to the result handler being held by a freed handler during handling

A use-after-free vulnerability occurs during transaction processing in the editor during design mode interactions

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

A use-after-free vulnerability occurs during certain text input selection resulting in a potentially exploitable crash

An integer overflow in "createImageBitmap()" was reported through the Pwn2Own contest

Memory corruption resulting in a potentially exploitable crash during garbage collection of JavaScript due errors in how incremental sweeping is managed for memory cleanup

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

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

A crash triggerable by web content in which an "ErrorResult" references unassigned memory due to a logic error

JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks

Memory safety bugs were reported in Thunderbird 45.7

A use-after-free vulnerability in the Media Decoder when working with media files when some events are fired after the media elements are freed from memory

The JSON viewer in the Developer Tools uses insecure methods to create a communication channel for copying and viewing JSON or HTTP headers data, allowing for potential privilege…

A potential use-after-free found through fuzzing during DOM manipulation of SVG content

Use-after-free while manipulating XSL in XSLT documents

Use-after-free while manipulating DOM events and removing audio elements due to errors in the handling of node adoption