Multiple Mozilla product code execution vulnerabilities (CNVD-2026-26877)

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...

Graphics Canvas2D DoS

The vulnerability of the Canvas2D component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to incorrect handling of unusual or exceptional states. Exploiting this vulnerability can allow an attacker to cause service failures remotely...

ROS-20260625-73-0019

The vulnerability of the DOM component in Firefox web browsers, Firefox ESR, and the Thunderbird email client is related to the use of memory after it is released. Exploiting this vulnerability can allow a malicious actor to compromise the confidentiality, integrity, and accessibility of protecte...

Mozilla Firefox Thunderbird HTTP Bypass

The vulnerability of the Networking component: Mozilla Firefox, Firefox ESR, and the email client Thunderbird rely on bypassing the authentication process by using an alternative path or channel. Exploiting this vulnerability allows a malicious actor to circumvent existing security restrictions...

DOM Component Data Compromise

Vulnerability of the DOM component: Device interfaces of Mozilla Firefox, Firefox ESR, and the email client Thunderbird are vulnerable due to operations that go beyond the buffer in memory. Exploitation of this vulnerability can allow a remote attacker to compromise the integrity and accessibilit...

ROS-20260610-73-0015

The vulnerability in browsers Firefox, Firefox ESR, and email clients Thunderbird, Thunderbird ESR, is related to the execution of operations beyond the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

ROS-20260610-73-0014

The vulnerability of the IndexedDB component in browsers such as Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to the exposure of information. Exploiting this vulnerability can allow an attacker to compromise the confidentiality and accessibility of protected informati...

ROS-20260609-73-0020

The vulnerability of the Canvas2D component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to insufficient testing for unusual or exceptional states. Exploiting this vulnerability can allow an attacker to cause service failures remotely...

ROS-20260609-73-0021

The vulnerability of the Canvas2D component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to insufficient testing for unusual or exceptional states. Exploiting this vulnerability can allow an attacker to cause service failures remotely...

ROS-20260605-73-0103

Vulnerability of WebRTC component: The networking functions of Mozilla Firefox, Firefox ESR, and the email client Thunderbird are vulnerable due to the execution of operations outside of the buffer in memory. Exploiting this vulnerability can allow attackers to compromise the confidentiality,...

ROS-20260605-73-0048

The vulnerability of the WebRender component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to cause a service failure...

Mozilla Firefox Thunderbird Heap Buffer Overflow

The vulnerability of the Mozilla Firefox browser and the Thunderbird email client is related to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

Mozilla多款产品 缓冲区错误漏洞

Mozilla Firefox, among others, are products of the American Mozilla Foundation. Mozilla Firefox is an open-source web browser. Mozilla Firefox ESR is a extended support version of Firefox the web browser. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla...

Mozilla Firefox Thunderbird Security Security Bypass

The vulnerability of the DOM component: The security of Mozilla Firefox browsers and Thunderbird email client is related to a flaw in data protection mechanisms. Exploiting this vulnerability allows an attacker to bypass existing security restrictions remotely...

Audio/Video Component DoS

The vulnerability of the Audio/Video component: The playback functions of Mozilla Firefox browsers and the Thunderbird email client are vulnerable to a resource consumption issue that is not controlled. Exploiting this vulnerability could allow an attacker to cause service interruptions...

Web Confidential Data Access

The vulnerabilities in the web browsers Firefox ESR and Firefox, as well as the email client Thunderbird, are related to authentication process flaws. Exploiting these vulnerabilities can allow an attacker to gain access to confidential data remotely...

Thunderbird Confidential Data Access

The vulnerability of the Thunderbird email client is related to the lack of mechanisms for encoding or shielding output data. Exploiting this vulnerability can allow a remote attacker to gain access to confidential data...

Web DoS

The vulnerabilities in web browsers Firefox and Firefox ESR, as well as the Thunderbird email client, are related to the use of memory after it is freed. Exploiting these vulnerabilities can allow an attacker to cause service interruptions...

WebAssembly DoS

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client is related to insufficient checking of unusual or exceptional states. Exploiting this vulnerability could allow a remote attacker to cause service failures...

Firefox Thunderbird Uninitialized Pointer DoS

The vulnerability in the Firefox web browser and the Thunderbird email client relates to access to an uninitialized pointer. Exploiting this vulnerability could allow a malicious actor to cause service failures...