2018

A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can

The "instanceof" operator can bypass the Xray wrapper mechanism. When called on web content from the browser itself or a

A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the

A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications (ARIA) elemen

A spoofing vulnerability can occur when a page switches to fullscreen mode without user notification, allowing a fake ad

WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security che

On pages containing an iframe, the "data:" protocol can be used to create a modal dialog through Javascript that will ha

File downloads encoded with "blob:" and "data:" URL elements bypassed normal file download checks though the Phishing an

Inside the JavaScript parser, a cast of an integer to a narrower type can result in data read from outside the buffer be

If web content on a page is dragged onto portions of the browser UI, such as the tab bar, links can be opened that other

Memory safety bugs were reported in Firefox 55. Some of these bugs showed evidence of memory corruption and we presume t

Memory safety bugs were reported in Firefox 55 and Firefox ESR 52.3. Some of these bugs showed evidence of memory corrup

A use-after-free vulnerability can occur when an editor DOM node is deleted prematurely during tree traversal while stil

A content security policy (CSP) "frame-ancestors" directive containing origins with paths allows for comparisons against

A mechanism that uses AppCache to hijack a URL in a domain using fallback by serving the files from a sub-path on the do

A use-after-free vulnerability can occur when the layer manager is freed too early when rendering specific SVG content,

During TLS 1.2 exchanges, handshake hashes are generated which point to a message buffer. This saved data is used for la

The destructor function for the "WindowsDllDetourPatcher" class can be re-purposed by malicious code in concert with ano

When a page's content security policy (CSP) header contains a "sandbox" directive, other directives are ignored. This re

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

A use-after-free vulnerability can occur while re-computing layout for a "marquee" element during window resizing where

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

JavaScript in the "about:webrtc" page is not sanitized properly being assigned to "innerHTML". Data on this page is supp

The Developer Tools feature suffers from a XUL injection vulnerability due to improper sanitization of the web page sour

Response header name interning does not have same-origin protections and these headers are stored in a global registry.

On Windows systems, the logger run by the Windows updater deletes the file "update.log" before it runs in order to write

On Linux systems, if the content process is compromised, the sandbox broker will allow files to be truncated even though

A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still

A buffer overflow will occur when viewing a certificate in the certificate manager if the certificate has an extremely l

On pages containing an iframe, the "data:" protocol can be used to create a modal alert that will render over arbitrary

On Windows systems, if non-null-terminated strings are copied into the crash reporter for some specific registry keys, s

If a server sends two Strict-Transport-Security (STS) headers for a single connection, they will be rejected as invalid

When an "iframe" has a "sandbox" attribute and its content is specified using "srcdoc", that content does not inherit th

Same-origin policy protections can be bypassed on pages with embedded iframes during page reloads, allowing the iframes

A buffer overflow can occur when the image renderer attempts to paint non-displayable SVG elements. This results in a po

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

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

If a long user name is used in a username/password combination in a site URL (such as " http://UserName:Password@example

An error in the "WindowsDllDetourPatcher" where a RWX ("Read/Write/Execute") 4k block is allocated but never protected,

An error occurs in the elliptic curve point addition algorithm that uses mixed Jacobian-affine coordinates where it can

Memory safety bugs were reported in Firefox 54. Some of these bugs showed evidence of memory corruption and we presume t

Memory safety bugs were reported in Firefox 54, Firefox ESR 52.2, and Thunderbird 52.2. Some of these bugs showed eviden

A number of security vulnerabilities in the Graphite 2 library including out-of-bounds reads, buffer overflow reads and

A mechanism where when a new tab is loaded through JavaScript events, if fullscreen mode is then entered, the addressbar

The Mozilla Maintenance Service can be invoked by an unprivileged user to read 32 bytes of any arbitrary file on the loc

The Mozilla Maintenance Service can be invoked by an unprivileged user to overwrite arbitrary files with junk data using

An attack using manipulation of "updater.ini" contents, used by the Mozilla Windows Updater, and privilege escalation th

The "Mark of the Web" was not correctly saved on Windows when files with very long names were downloaded from the Intern

Characters from the "Canadian Syllabics" unicode block can be mixed with characters from other unicode blocks in the add

Default fonts on OS X display some Tibetan characters as whitespace. When used in the addressbar as part of an IDN this