Mozilla: Memory safety bugs fixed in Thunderbird 78.13

Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. 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 Thunderbird 78.13,...

Mozilla: Use-after-free media channels

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...

Mozilla: Memory safety bugs fixed in Thunderbird 78.13

Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. 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 Thunderbird 78.13,...

Security update for MozillaFirefox (important)

openSUSE Security Update: Security update for MozillaFirefox Announcement ID: openSUSE-SU-2021:1066-1 Rating: important References: 1188275 Cross-References: CVE-2021-29970 CVE-2021-29976 CVE-2021-30547 CVSS scores: CVE-2021-30547 NVD : 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affected...

CVE-2021-23999

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

SUSE: Security Advisory (SUSE-SU-2020:3902-1)

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...

SUSE: Security Advisory (SUSE-SU-2021:14743-1)

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...

The vulnerability in the Thunderbird email client, as well as in the Firefox and Firefox ESR browsers, stems from insufficient validation of input data. This allows attackers to circumvent security restrictions.

The vulnerability of the Thunderbird email client, as well as browsers Firefox and Firefox ESR, exists due to insufficient validation of input data. Exploiting this vulnerability can allow a malicious actor to bypass security restrictions remotely...

The vulnerability of the Thunderbird email client, as well as the Firefox and Firefox ESR browsers, relates to errors during permission saving, allowing a malicious actor to mistakenly assign a security certificate to an HTTP page.

The vulnerability of the Thunderbird email client, as well as browsers Firefox and Firefox ESR, is related to errors during the saving of permissions. Exploiting this vulnerability could allow a remote attacker to erroneously assign a security certificate to an HTTP page...

Mozilla: Out of bound write due to lazy initialization

A WebGL framebuffer was not initialized early enough, resulting in memory corruption and an out of bound write. 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...

Mozilla: Port blocking could be bypassed

Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. 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: Blob URLs may have been granted additional privileges

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

The vulnerability of Mozilla Firefox, Firefox ESR, and the email client Thunderbird relates to a type conversion error, which allows an attacker to execute arbitrary code.

The vulnerability of Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to a type conversion error. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

SUSE: Security Advisory (SUSE-SU-2020:3331-1)

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...

DEBIAN-CVE-2021-23984

A malicious extension could have opened a popup window lacking an address bar. The title of the popup lacking an address bar should not be fully controllable, but in this situation was. This could have been used to spoof a website and attempt to trick the user into providing credentials. This...

Mozilla: Internal network hosts could have been probed by a malicious webpage

Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal network's hosts as well as services running on the user's local machine utilizing WebRTC connections. This vulnerability affects Firefox ESR 78.9, Firefox 87, and Thunderbird 78.9...

Mozilla: Internal network hosts could have been probed by a malicious webpage

Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal network's hosts as well as services running on the user's local machine utilizing WebRTC connections. This vulnerability affects Firefox ESR 78.9, Firefox 87, and Thunderbird 78.9...