Vulnerability fixed in Mozilla Firefox, Firefox ESR and Thunderbird

Mozilla has fixed a vulnerability in Firefox and Thunderbird. The vulnerability allows an attacker under specific circumstances able to execute arbitrary code with permissions from the application. The vulnerability was discovered during a hacking contest, making it likely that public exploit cod...

Mozilla: Memory safety bugs fixed in Firefox 82 and Firefox ESR 78.4

Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects...

Mozilla: Memory safety bugs fixed in Firefox 82 and Firefox ESR 78.4

Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects...

October 13, 2020—KB4580382 (Monthly Rollup)

None None...

October 13, 2020—KB4580378 (Monthly Rollup)

None None...

October 13, 2020—KB4580353 (Security-only update)

None None...

October 13, 2020—KB4580345 (Monthly Rollup)

None None...

DEBIAN-CVE-2020-15673

Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox 81, Thunderbi...

CVE-2020-15670

Mozilla developers reported memory safety bugs present in Firefox for Android 79. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox 80, Firefox ESR 78.2,...

Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3

The Mozilla Foundation Security Advisory describes this flaw as: Mozilla developer reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run...

Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3

The Mozilla Foundation Security Advisory describes this flaw as: Mozilla developer reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run...

Mozilla: Bypassing iframe sandbox when allowing popups

An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. This could have led to security issues for websites relying on sandbox configurations that allowed popups and hosted arbitrary content. This vulnerability affects Firefox ESR 78.1, Firefox 79, and...

Mozilla: Custom cursor can overlay user interface

When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting with the user interface, when they are not. This could lead to a perceived broken state, especially when interactions with existing browser dialogs and warnings do not work. Thi...

Mozilla: Type confusion for special arguments in IonMonkey

JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR 78.1, Firefox 79, and Thunderbird 78.1...

Debian: Security Advisory (DSA-4768-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Debian DSA-4768-1 : firefox-esr - security update

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, cross-site scripting or spoofing the origin of a download. Debian follows the extended support releases ESR of Firefox. Support for the 68.x series has...

[SECURITY] [DSA 4768-1] firefox-esr security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4768-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff September 28, 2020 https://www.debian.org/security/faq -...

Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3

The Mozilla Foundation Security Advisory describes this flaw as: Mozilla developer reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run...

Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3

The Mozilla Foundation Security Advisory describes this flaw as: Mozilla developer reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run...

Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3

The Mozilla Foundation Security Advisory describes this flaw as: Mozilla developer reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run...