CVE-2021-29986

A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. Note: This issue only affected Linux operating systems. Other operating systems are unaffected. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and...

CVE-2021-29984

Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and...

CVE-2021-29985

A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and Firefox 91...

DSA-4956-1 firefox-esr - security update

Bulletin has no description...

CVE-2021-29980

Uninitialized memory in a canvas object could have caused an incorrect free leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and Firefox 91...

Vulnerabilities fixed in Mozilla Firefox

Mozilla has fixed vulnerabilities in Firefox and Firefox Extended Support Release ESR. The vulnerabilities allow an unauthenticated remote malicious party potentially able to perform attacks that result in the following categories of damage: Denial-of-Service DoS Circumvention of security measure...

Security Vulnerabilities fixed in Firefox ESR 78.13 — Mozilla

A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. Note: This issue only affected Linux operating systems. Other operating systems are unaffected. Firefox incorrectly treated an inline list-item element as a block element, resulting i...

Mozilla Firefox ESR < 78.13

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 78.13. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-34 advisory. - Mozilla developers Christoph Kerschbaumer, Simon Giesecke, Sandor Molnar, and Olli Pettay reported memor...

KLA12253 Multiple vulnerabilities in Mozilla Firefox ESR

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code. Below is a complete list of vulnerabilities: 1. A memory corruption vulnerability on Linux can be exploited to cause denial of service...

Mozilla Firefox ESR < 78.13

The version of Firefox ESR installed on the remote Windows host is prior to 78.13. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-34 advisory. - Mozilla developers Christoph Kerschbaumer, Simon Giesecke, Sandor Molnar, and Olli Pettay reported memory safety...

Memory corruption

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. This bug could only be triggered when accessibility was enabled.. This vulnerability affects Thunderbird 78.12, Firefox ESR 78.12, and Firefox 90...

CVE-2021-29970

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. This bug could only be triggered when accessibility was enabled.. This vulnerability affects Thunderbird 78.12, Firefox ESR 78.12, and Firefox 90...

CVE-2021-29976

Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. 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 Thunderbi...

CVE-2021-29976

Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. 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 Thunderbi...

CentOS 8 : thunderbird (CESA-2021:2883)

The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2021:2883 advisory. - Mozilla: IMAP server responses sent by a MITM prior to STARTTLS could be processed CVE-2021-29969 - Mozilla: Use-after-free in accessibility features...

Mozilla Firefox ESR Security Advisories (MFSA2021-26, MFSA2021-30) - Windows

This host is missing a security update according to Mozilla. SPDX-FileCopyrightText: 2021 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";...

Mozilla Firefox ESR Security Advisories (MFSA2021-26, MFSA2021-30) - Mac OS X

This host is missing a security update according to Mozilla. SPDX-FileCopyrightText: 2021 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";...

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: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12

Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. 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 Thunderbi...

RHEL 7 : thunderbird (RHSA-2021:2881)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2881 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.12.0. Security Fixes: Mozilla:...