Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler

Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 95...

Mozilla: Bypass of CSP sandbox directive when embedding

Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 95...

Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler

Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 95...

CVE-2021-43535

A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox 93, Thunderbird 91.3, and Firefox ESR 91.3...

Mozilla: Denial of Service when using the Location API in a loop

Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 95...

Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed

It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 95...

Mozilla: Bypass of CSP sandbox directive when embedding

Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 95...

Mozilla Firefox ESR 安全漏洞

Mozilla Firefox ESR is an extended support version of Firefox web browser from the Mozilla Foundation in the United States. A security vulnerability exists in Mozilla Firefox ESR that stems from. A supplied parameter URL containing spaces is not properly escaped when invoking a protocol handler f...

openSUSE: Security Advisory for MozillaFirefox (openSUSE-SU-2021:3745-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free software; you can...

OPENSUSE-SU-2021:3745-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: MozillaFirefox was updated to Extended Support Release 91.3.0 ESR Fixed: Various stability, functionality, and security fixes MFSA 2021-49 bsc1192250 CVE-2021-38503: iframe sandbox rules did not apply to XSLT stylesheets CVE-2021-38504:...

SUSE-SU-2021:3745-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: MozillaFirefox was updated to Extended Support Release 91.3.0 ESR Fixed: Various stability, functionality, and security fixes MFSA 2021-49 bsc1192250 CVE-2021-38503: iframe sandbox rules did not apply to XSLT stylesheets CVE-2021-38504:...

SUSE-SU-2021:3721-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: MozillaFirefox was updated to Extended Support Release 91.3.0 ESR Fixed: Various stability, functionality, and security fixes MFSA 2021-49 bsc1192250 CVE-2021-38503: iframe sandbox rules did not apply to XSLT stylesheets CVE-2021-38504:...

Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3

The Mozilla Foundation Security Advisory describes this flaw as: Memory safety bugs present in Firefox 93 and Firefox ESR 91.2. 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...

Mozilla: Javascript alert box could have been spoofed onto an arbitrary domain

Due to an unusual sequence of attacker-controlled events, a Javascript alert dialog with arbitrary although unstyled contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox 94, Thunderbird 91.3, and Firefox ESR 91.3...

UBUNTU-CVE-2021-38509

Due to an unusual sequence of attacker-controlled events, a Javascript alert dialog with arbitrary although unstyled contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox 94, Thunderbird 91.3, and Firefox ESR 91.3...

OPENSUSE-SU-2021:1367-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: This update contains the Firefox Extended Support Release 91.2.0 ESR. Firefox Extended Support Release 91.2.0 ESR Fixed: Various stability, functionality, and security fixes MFSA 2021-45 bsc1191332 CVE-2021-38496: Use-after-free in...

SUSE-SU-2021:14826-1 Security update for MozillaFirefox, rust-cbindgen

This update for MozillaFirefox, rust-cbindgen fixes the following issues: MozillaFirefox was updated to Extended Support Release 91.2.0 ESR Fixed: Various stability, functionality, and security fixes MFSA 2021-45 bsc1191332 CVE-2021-38496: Use-after-free in MessageTask CVE-2021-38497: Validation...

SUSE-SU-2021:3451-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: This update contains the Firefox Extended Support Release 91.2.0 ESR. Release 91.2.0 ESR: Fixed: Various stability, functionality, and security fixes MFSA 2021-45 bsc1191332: CVE-2021-38496: Use-after-free in MessageTask CVE-2021-38497:...

Mozilla: Memory safety bugs fixed in Firefox 93 and Firefox ESR 91.2

Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 93, Thunderbi...

Mozilla: Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and Firefox ESR 91.2

Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 78.15,...