CVE-2026-4708 Incorrect boundary conditions in the Graphics component

Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4702 JIT miscompilation in the JavaScript Engine component

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4699 Incorrect boundary conditions in the Layout: Text and Fonts component

Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4698 JIT miscompilation in the JavaScript Engine: JIT component

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4694

CVE-2026-4694: A vulnerability in the Graphics component (incorrect boundary conditions, integer overflow) affecting Firefox and Firefox ESR releases prior to 149/115.34 and 140.9. Patches are available in Firefox 149 and ESR 115.34, ESR 140.9. Other connected advisories reiterate related Firefox...

CVE-2026-4687 Sandbox escape due to incorrect boundary conditions in the Telemetry component

Sandbox escape due to incorrect boundary conditions in the Telemetry component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4684

CVE-2026-4684 describes a race condition leading to a use-after-free in the Graphics: WebRender component. Affected products/versions are Firefox < 149, Firefox ESR < 115.34, and Firefox ESR

Mozilla多款产品 资源管理错误漏洞

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 ESR < 140.9

The version of Firefox ESR installed on the remote Windows host is prior to 140.9. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-22 advisory. - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox 149, Firefox ESR 140.9,...

Mozilla Firefox ESR < 140.9

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 140.9. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-22 advisory. - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox 149, Firefox ESR...

Security Vulnerabilities fixed in Firefox ESR 140.9 — Mozilla

Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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. Memory safety bugs present in...

Mozilla多款产品 安全漏洞

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 ESR < 115.34

The version of Firefox ESR installed on the remote Windows host is prior to 115.34. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-21 advisory. - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox 149, Firefox ESR...

Mozilla多款产品 代码问题漏洞

Mozilla Firefox is an open source web browser.Mozilla Firefox ESR is an extended support version of Firefox the web browser.Mozilla Thunderbird is a suite of email client software separate from the Mozilla Application Suite. A code issue vulnerability exists in several Mozilla products that can b...

Mozilla多款产品 安全漏洞

Mozilla Firefox is an open source web browser.Mozilla Firefox ESR is an extended support version of Firefox the web browser.Mozilla Thunderbird is a suite of email client software separate from the Mozilla Application Suite. A code execution vulnerability exists in multiple Mozilla products, whic...

KLA90962 Multiple vulnerabilities in Mozilla Firefox ESR

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to cause denial of service, bypass security restrictions, execute arbitrary code, obtain sensitive information, gain privileges. Below is a complete list of vulnerabilities: 1. Out of...

The vulnerability in the Graphics component of Mozilla Firefox, Firefox ESR, and the email client Thunderbird, which allows for the disclosure of protected information

The vulnerability of the Graphics component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to a numerical overflow condition. Exploiting this vulnerability can allow an attacker to disclose sensitive information...

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume th...

Code execution vulnerability in multiple Mozilla products (CNVD-2026-15388)

Mozilla Firefox is an open source web browser.Mozilla Firefox ESR is an extended support version of Firefox the web browser.Mozilla Thunderbird is a suite of email client software separate from the Mozilla Application Suite. A code execution vulnerability exists in several Mozilla products, which...

Integer Overflow Vulnerability in Multiple Mozilla Products (CNVD-2026-15384)

Mozilla Firefox is an open source web browser.Mozilla Firefox ESR is an extended support version of Firefox the web browser.Mozilla Thunderbird is a suite of email client software separate from the Mozilla Application Suite. An integer overflow vulnerability exists in multiple Mozilla products,...