CVE-2017-7826

Memory safety bugs were reported in Firefox 56 and Firefox ESR 52.4. 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, Firefox ESR 52.5, and Thunderbird...

CVE-2017-5428

CVE-2017-5428 is an integer overflow in Mozilla Firefox’s createImageBitmap() that was disclosed via Pwn2Own. Affected products include Firefox (and ESR) versions older than 52.0.1; the issue arises from oversized image offset/length/layout arguments to createImageBitmap, which could enable remot...

CVE-2016-9895

Event handlers on "marquee" elements were executed despite a strict Content Security Policy CSP that disallowed inline JavaScript. This vulnerability affects Firefox 50.1, Firefox ESR 45.6, and Thunderbird 45.6...

CVE-2016-5291

A same-origin policy bypass with local shortcut files to load arbitrary local content from disk. This vulnerability affects Thunderbird 45.5, Firefox ESR 45.5, and Firefox 50...

CVE-2016-9064

Add-on updates failed to verify that the add-on ID inside the signed package matched the ID of the add-on being updated. An attacker who could perform a man-in-the-middle attack on the user's connection to the update server and defeat the certificate pinning protection could provide a malicious...

CVE-2016-9905

A potentially exploitable crash in "EnumerateSubDocuments" while adding or removing sub-documents. This vulnerability affects Firefox ESR 45.6 and Thunderbird 45.6...

CVE-2017-5386

WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR 45.7 and Firefox 51...

CVE-2017-5390

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 escalation. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

CVE-2017-5396

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. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

CVE-2017-5398

Memory safety bugs were reported in Thunderbird 45.7. 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 52, Firefox ESR 45.8, Thunderbird 52, and Thunderbir...

CVE-2017-5428

An integer overflow in "createImageBitmap" was reported through the Pwn2Own contest. The fix for this vulnerability disables the experimental extensions to the "createImageBitmap" API. This function runs in the content sandbox, requiring a second vulnerability to compromise a user's computer. Thi...

CVE-2017-5439

A use-after-free vulnerability during XSLT processing due to poor handling of template parameters. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox ESR 52.1, and Firefox 53...

CVE-2017-5442

A use-after-free vulnerability during changes in style when manipulating DOM elements. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox ESR 52.1, and Firefox 53...

CVE-2017-5444

A buffer overflow vulnerability while parsing "application/http-index-format" format content when the header contains improperly formatted data. This allows for an out-of-bounds read of data from memory. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox ESR 52.1, and Firefox ...

CVE-2017-5451

A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar. This vulnerability affects...

CVE-2017-5448

An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin GMP sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data with...

CVE-2017-5454

A mechanism to bypass file system access protections in the sandbox to use the file picker to access different files than those selected in the file picker through the use of relative paths. This allows for read only access to the local file system. This vulnerability affects Thunderbird 52.1,...

CVE-2017-5459

A buffer overflow in WebGL triggerable by web content, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox ESR 52.1, and Firefox 53...

CVE-2017-5462

A flaw in DRBG number generation within the Network Security Services NSS library where the internal state V does not correctly carry bits over. The NSS library has been updated to fix this issue to address this issue and Firefox ESR 52.1 has been updated with NSS version 3.28.4. This vulnerabili...

CVE-2017-5466

If a page is loaded from an original site through a hyperlink and contains a redirect to a "data:text/html" URL, triggering a reload will run the reloaded "data:text/html" page with its origin set incorrectly. This allows for a cross-site scripting XSS attack. This vulnerability affects Thunderbi...