Description of the security update for SharePoint Server 2019: December 14, 2021 (KB5002054)

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DEBIAN-CVE-2021-38507

The Opportunistic Encryption feature of HTTP2 RFC 8164 allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP addre...

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: External protocol handler parameters were unescaped

When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 95...

Mozilla Firefox 跨站脚本漏洞

Mozilla Firefox is an open source Web browser from the Mozilla Foundation in the U.S. A cross-site scripting vulnerability exists in Mozilla Firefox, which can be exploited by attackers to use the CSP sandbox command, where loaded documents can escape the scripting restrictions of the sandbox by...

The vulnerability in the SVG markup language implementation of browsers like Mozilla Firefox, Firefox ESR, and the email client Thunderbird allows a hacker to execute arbitrary code.

The vulnerability in the SVG markup language implementation of Mozilla Firefox, Firefox ESR, and the email client Thunderbird relates to the use of memory after it is freed. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

Mozilla: Firefox could be coaxed into going into fullscreen mode without notification or warning

The Mozilla Foundation Security Advisory describes this flaw as: Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing...

Mozilla: Permission Prompt could be overlaid, resulting in user confusion and potential spoofing

By displaying a form validity message in the correct location at the same time as a permission prompt such as for geolocation, the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox 94,...

DEBIAN-CVE-2021-38493

Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. 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 ESR 78.14,...

UBUNTU-CVE-2021-38508

By displaying a form validity message in the correct location at the same time as a permission prompt such as for geolocation, the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox 94,...

CVE-2021-20801

Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML External Entity XXE attacks and obtain the information stored in the product via unspecified vectors. This issue occurs only when using Mozilla Firefox...

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...

Fedora: Security Advisory for firefox (FEDORA-2021-2c74a1d70c)

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 of Mozilla Maintenance Service allows attackers to escalate their privileges on Firefox ESR and Firefox browsers.

The vulnerability of the Mozilla Maintenance Service affects Firefox ESR and Firefox browsers due to synchronization errors when using a common resource. Exploiting this vulnerability can allow attackers to increase their privileges...

The vulnerability of Mozilla Firefox and Firefox ESR browsers relates to the use of memory after it is freed, allowing an attacker to execute arbitrary code.

The vulnerability of Mozilla Firefox and Firefox ESR browsers is related to the use of memory after it is freed. Exploiting this vulnerability can allow a remote attacker to execute arbitrary code...

Mozilla: Memory corruption as a result of incorrect style treatment

Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and Firefox 91...

Mozilla: Race condition when resolving DNS names could have led to memory corruption

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...

The vulnerability of the Firefox browser arises from an operation that goes beyond the buffer in memory, allowing a hacker to execute arbitrary code.

The vulnerability of the Firefox browser arises from an operation that goes beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

CVE-2021-24002

When a user clicked on an FTP URL containing encoded newline characters %0A and %0D, the newlines would have been interpreted as such and allowed arbitrary commands to be sent to the FTP server. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Mozilla Firefox 注入漏洞

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the United States. A security vulnerability exists in Firefox that allows an attacker to exploit the vulnerability to disclose arbitrary memory addresses, which may also lead to JIT-type obfuscation attacks. The...