Mozilla

When handling a SSLv2-compatible ClientHello request, the server doesn't generate a new random value but sends an all-ze

Incorrect handling of __proto__ mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbi

Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check

If the source for resources on a page is through an FTP connection, it is possible to trigger a series of modal alert me

If WebRTC permission is requested from documents with data: or blob: URLs, the permission notifications do not properly

When arbitrary text is sent over an FTP connection and a page reload is initiated, it is possible to create a modal aler

A vulnerability exists during authorization prompting for FTP transaction where successive modal prompts are displayed a

A latent vulnerability exists in the Prio library where data may be read from uninitialized memory for some functions, l

In Firefox Developer Tools it is possible that pasting the result of the 'Copy as cURL' command into a command shell on

The Upgrade-Insecure-Requests (UIR) specification states that if UIR is enabled through Content Security Policy (CSP), n

If a Sandbox content process is compromised, it can initiate an FTP download which will then use a child process to rend

Firefox will accept any registered Program ID as an external protocol handler and offer to launch this local application

Insufficient bounds checking of data during inter-process communication might allow a compromised content process to be

On Android systems, Firefox can load a library from APITRACE_LIB, which is writable by all users and applications. This

Cross-origin images can be read in violation of the same-origin policy by exporting an image after using createImageBitm

A use-after-free vulnerability can occur when the SMIL animation controller incorrectly registers with the refresh drive

A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by malicious

A vulnerability was discovered where specific command line arguments are not properly discarded during Firefox invocatio

A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitig

The IonMonkey just-in-time (JIT) compiler can leak an internal JS_OPTIMIZED_OUT magic value to the running script during

The type inference system allows the compilation of functions that can cause type confusions between arbitrary objects w

A use-after-free vulnerability can occur when a raw pointer to a DOM element on a page is obtained using JavaScript and

Mozilla developers and community members reported memory safety bugs present in Firefox 65. Some of these bugs showed ev

Mozilla developers and community members reported memory safety bugs present in Firefox 65, Firefox ESR 60.5, and Thunde

Unsanitized output in the browser UI leaves HTML tags in place and can result in arbitrary code execution in Firefox bef

A crash can occur when processing a crafted S/MIME message or an XPI package containing a crafted signature. This can be

A use-after-free vulnerability can occur while playing a sound notification in Thunderbird. The memory storing the sound

Cross-origin images can be read from a canvas element in violation of the same-origin policy using the transferFromImage

The about:crashcontent and about:crashparent pages can be triggered by web content. These pages are used to crash the lo

A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digit

A service worker can send the activate event on itself periodically which allows it to run perpetually, allowing it to m

Use of uninitialized memory in Graphite2 library in Firefox before 54 in graphite2::GlyphCache::Loader::read_glyph funct

Heap-based Buffer Overflow read in Graphite2 library in Firefox before 54 in graphite2::Silf::getClassGlyph.

Out-of-bounds read in Graphite2 Library in Firefox before 54 in graphite2::Silf::readGraphite function.

Heap-based Buffer Overflow write in Graphite2 library in Firefox before 54 in lz4::decompress src/Decompressor.

Out-of-bounds read in Graphite2 Library in Firefox before 54 in graphite2::Pass::readPass function.

Heap-based Buffer Overflow in Graphite2 library in Firefox before 54 in lz4::decompress function.

get_8bit_row in rdbmp.c in libjpeg-turbo through 1.5.90 and MozJPEG through 3.3.1 allows attackers to cause a denial of

A same-origin policy violation allowing the theft of cross-origin URL entries when using a meta http-equiv="refresh" on

A potential vulnerability leading to an integer overflow can occur during buffer size calculations for images when a raw

Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the UR

When the RSS Feed preview about:feeds page is framed within another page, it can be used in concert with scripted conten

WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions gran

A same-origin policy violation allowing the theft of cross-origin URL entries when using the Javascript location propert

A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D ac

A use-after-free vulnerability can occur after deleting a selection element due to a weak reference to the select elemen

A buffer overflow occurs when drawing and validating elements with the ANGLE graphics library, used for WebGL content, w

Mozilla developers and community members reported memory safety bugs present in Firefox 63. Some of these bugs showed ev

Mozilla developers and community members reported memory safety bugs present in Firefox 63 and Firefox ESR 60.3. Some of

If a site is loaded over a HTTPS connection but loads a favicon resource over HTTP, the mixed content warning is not dis