The vulnerability of the Responsive Design Mode in the Thunderbird email client, as well as in the Firefox and Firefox ESR browsers, allows a hacker to execute arbitrary code.

The vulnerability of the Responsive Design Mode in the Thunderbird email client, as well as in browsers like Firefox and Firefox ESR, is related to the use of memory after it is freed. Exploiting this vulnerability can allow a remote attacker to execute arbitrary code...

Updated thunderbird packages fix security vulnerabilities

More internal network hosts could have been probed by a malicious webpage: Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine CVE-2021-23961. Out of...

Oracle Linux 8 : firefox (ELSA-2021-1360)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-1360 advisory. 78.10.0-1.0.1 - Removed Upstream references - Add firefox-oracle-default-prefs.js and remove the corresponding Red Hat file 78.10.0-1 - Update to 78.10...

Oracle Linux 8 : thunderbird (ELSA-2021-1353)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-1353 advisory. 78.10.0-1.0.1 - Replaced thunderbird-redhat-default-prefs.js with thunderbird-oracle-default-prefs.js 78.10.0-1 - Update to 78.10.0 Tenable has extract...

Ubuntu: Security Advisory (USN-4926-1)

The remote host is missing an update for the 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 ifdescription...

Mozilla: Use-after-free in Responsive Design Mode

When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Mozilla: Use-after-free in Responsive Design Mode

When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Mozilla: Use-after-free in Responsive Design Mode

When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Important: Red Hat Security Advisory: firefox security update

An update for firefox 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 from t...

Mozilla: Use-after-free in Responsive Design Mode

When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8.1 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 for...

USN-4926-1: 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, spoof the browser UI, bypass security restrictions, trick the user into disclosing confidential...

USN-4926-1 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, spoof the browser UI, bypass security restrictions, trick the user into disclosing confidential...

Mozilla: Use-after-free in Responsive Design Mode

When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

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: Use-after-free in Responsive Design Mode

When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Mozilla: Use-after-free in Responsive Design Mode

When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Mozilla: Use-after-free in Responsive Design Mode

When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

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...

Arbitrary Code Execution

firefox-esr:sid is vulnerable to arbitrary code execution. When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code...