CVE-2018-5121

Low descenders on some Tibetan characters in several fonts on OS X are clipped when rendered in the addressbar. When used as part of an Internationalized Domain Name IDN this can be used for domain name spoofing attacks. Note: This attack only affects OS X operating systems. Other operating syste...

CVE-2018-5114

If an existing cookie is changed to be "HttpOnly" while a document is open, the original value remains accessible through script until that document is closed. Network requests correctly use the changed HttpOnly cookie. This vulnerability affects Firefox 58...

CVE-2018-5128

A use-after-free vulnerability can occur when manipulating elements, events, and selection ranges during editor operations. This results in a potentially exploitable crash. This vulnerability affects Firefox 59...

CVE-2018-5112

Development Tools panels of an extension are required to load URLs for the panels as relative URLs from the extension manifest file but this requirement was not enforced in all instances. This could allow the development tools panel for the extension to load a URL that it should not be able to...

DEBIAN-CVE-2018-5125

Memory safety bugs were reported in Firefox 58 and Firefox ESR 52.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird 52.7, Firefox ESR 52.7, and Firef...

CVE-2018-5106

Style editor traffic in the Developer Tools can be routed through a service worker hosted on a third party website if a user selects error links when these tools are open. This can allow style editor information used within Developer Tools to leak cross-origin. This vulnerability affects Firefox ...

CVE-2018-5109

An audio capture session can started under an incorrect origin from the site making the capture request. Users are still prompted to allow the request but the prompt can display the wrong origin, leading to user confusion about which site is making the request to capture an audio stream. This...

DEBIAN-CVE-2018-5127

A buffer overflow can occur when manipulating the SVG "animatedPathSegList" through script. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 52.7, Firefox ESR 52.7, and Firefox 59...

CVE-2018-5094

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...

CVE-2018-5090

Memory safety bugs were reported in Firefox 57. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox 58...

CVE-2018-5100

A use-after-free vulnerability can occur when arguments passed to the "IsPotentiallyScrollable" function are freed while still in use by scripts. This results in a potentially exploitable crash. This vulnerability affects Firefox 58...

CVE-2018-5092

A use-after-free vulnerability can occur when the thread for a Web Worker is freed from memory prematurely instead of from memory in the main thread while cancelling fetch operations. This vulnerability affects Firefox 58...

CVE-2017-7831

A vulnerability where the security wrapper does not deny access to some exposed properties using the deprecated "exposedProps" mechanism on proxy objects. These properties should be explicitly unavailable to proxy objects. This vulnerability affects Firefox 57...

CVE-2017-7839

Control characters prepended before "javascript:" URLs pasted in the addressbar can cause the leading characters to be ignored and the pasted JavaScript to be executed instead of being blocked. This could be used in social engineering and self-cross-site-scripting self-XSS attacks where users are...

CVE-2017-7827

Memory safety bugs were reported in Firefox 56. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox 57...

CVE-2017-7837

SVG loaded through "" tags can use "" tags within the SVG data to set cookies for that page. This vulnerability affects Firefox 57...

DEBIAN-CVE-2017-7818

A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications ARIA elements within containers through the DOM. This results in a potentially exploitable crash. This vulnerability affects Firefox 56, Firefox ESR 52.4, and Thunderbird 52.4...

CVE-2017-7820

The "instanceof" operator can bypass the Xray wrapper mechanism. When called on web content from the browser itself or an extension the web content can provide its own result for that operator, possibly tricking the browser or extension into mishandling the element. This vulnerability affects...

CVE-2017-7796

On Windows systems, the logger run by the Windows updater deletes the file "update.log" before it runs in order to write a new log of that name. The path to this file is supplied at the command line to the updater and could be used in concert with another local exploit to delete a different file...

CVE-2017-7794

On Linux systems, if the content process is compromised, the sandbox broker will allow files to be truncated even though the sandbox explicitly only has read access to the local file system and no write permissions. Note: This attack only affects the Linux operating system. Other operating system...