Firefox 51 Begins Warning Users of Insecure HTTP Connections

Mozilla Foundation took steps with the release of Firefox 51 on Tuesday to communicate more clearly to users when they land on a HTTP website collecting personal information such as passwords that the site may not be secure. Going forward, Firefox will display a gray lock icon with a red...

Mozilla: Use-after-free with Media Decoder (MFSA 2017-02)

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...

Mozilla: Insecure communication methods in Developer Tools JSON viewer (MFSA 2017-02)

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-2017-5386

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-2017-5375

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

CVE-2017-5380

A potential use-after-free found through fuzzing during DOM manipulation of SVG content. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

CVE-2017-5378

Hashed codes of JavaScript objects are shared between pages. This allows for pointer leaks because an object's address can be discovered through hash codes, and also allows for data leakage of an object's content using these hash codes. This vulnerability affects Thunderbird 45.7, Firefox ESR 45....

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-2017-5376

Use-after-free while manipulating XSL in XSLT documents. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

CVE-2017-5383

URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. 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...

Mozilla Firefox ESR 45.x < 45.7 Multiple Vulnerabilities (macOS)

The version of Mozilla Firefox ESR installed on the remote macOS or Mac OS X host is 45.x prior to 45.7. It is, therefore, affected by the following vulnerabilities : - Mozilla developers and community members Christian Holler, Gary Kwong, Andre Bargull, Jan de Mooij, Tom Schuster, and Oriol...

Mozilla Firefox ESR < 45.7

The version of Firefox ESR installed on the remote Windows host is prior to 45.7. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2017-02 advisory. - A use-after-free vulnerability in the Media Decoder when working with media files when some events are fired after...

CVE-2017-5375

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

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-2017-5376

Use-after-free while manipulating XSL in XSLT documents. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

DSA-3771-1 firefox-esr - security update

Bulletin has no description...

UBUNTU-CVE-2017-5373

Memory safety bugs were reported in Firefox 50.1 and Firefox ESR 45.6. 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 45.7, Firefox ESR 45.7, and...

UBUNTU-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...