Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fr...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

Mozilla: CSS Sanitizer performed incorrect sanitization

The Mozilla Foundation Security Advisory describes this flaw as: Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass...

MGASA-2020-0462 Updated thunderbird packages fix security vulnerabilities

When a BigInt was right-shifted the backing store was not properly cleared, allowing uninitialized memory to be read CVE-2020-16042. Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow in WebGL on some video drivers CVE-2020-26971. Certain inpu...

Oracle Linux 7 : ELSA-2020-5561-1: / firefox (ELSA-2020-55611)

The remote Oracle Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2020-55611 advisory. 78.6.0-1.0.1 - Remove upstream references Orabug: 30143292 - Update distribution for Oracle Linux Orabug: 30143292 - Add firefox-oracle-default-prefs....

Debian: Security Advisory (DLA-2496-1)

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...

Scientific Linux Security Update : firefox on SL7.x i686/x86_64 (2020:5561)

The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2020:5561-1 advisory. - chromium-browser: Uninitialized Use in V8 CVE-2020-16042 - Mozilla: Heap buffer overflow in WebGL CVE-2020-26971 - Mozilla: CSS Sanitizer...

Mozilla: CSS Sanitizer performed incorrect sanitization

The Mozilla Foundation Security Advisory describes this flaw as: Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass...

Mozilla Firefox Security Advisories (MFSA2020-54, MFSA2020-56) - Mac OS X

Mozilla Firefox is prone to multiple vulnerabilities. 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 CPE = "cpe:/a:mozilla:firefox";...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4671-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4671-1 advisory. Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker...

Mozilla Firefox ESR Security Advisories (MFSA2020-54, MFSA2020-56) - Windows

Mozilla Firefox ESR is prone to multiple vulnerabilities. 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 CPE = "cpe:/a:mozilla:firefoxesr";...

USN-4671-1 firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass the CSS sanitizer, bypass security restrictions, spoof the URL bar, ...

CVE-2020-26973

Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox 84, Thunderbird 78.6, and Firefox ESR 78.6...

KLA12030 Multiple vulnerabilities in Mozilla Firefox ESR

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to obtain sensitive information, bypass security restrictions, cause denial of service, execute arbitrary code. Below is a complete list of vulnerabilities: 1. A security bypass...

Security Vulnerabilities fixed in Firefox 84 — Mozilla

When a BigInt was right-shifted the backing store was not properly cleared, allowing uninitialized memory to be read. Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. The lifecycle of IPC Actors allows managed actors t...

UBUNTU-CVE-2020-26973

Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox 84, Thunderbird 78.6, and Firefox ESR 78.6...

Security Vulnerabilities fixed in Thunderbird 78.6 — Mozilla

When a BigInt was right-shifted the backing store was not properly cleared, allowing uninitialized memory to be read. Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. Certain input to the CSS Sanitizer confused it,...

USN-4543-1: Sanitize vulnerability

Michał Bentkowski discovered that Sanitize did not properly sanitize some math or svg HTML under certain circumstances. A remote attacker could potentially exploit this to conduct cross-site scripting XSS attacks. CVE-2020-4054...

Cross-site Scripting (XSS)

firefox is vulnerable to cross-site scripting XSS. The vulnerability exists when pasting a tag from the clipboard into a rich text editor, and the CSS sanitizer does not escape characters, and when a webpage subsequently copies the node's innerHTML, and assigns it to another innerHTML...

Injection Attacks

thunderbird is vulnerable to injection attacks. The vulnerability exists as the CSS sanitizer incorrectly rewrites a @namespace rule when pasting a tag from the clipboard into a rich text editor...