PT-2026-30823

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149.0.2 Firefox ESR versions prior to 140.9.1 Thunderbird versions prior to 149.0.2 Thunderbird versions prior to 140.9.1 Description The software contains incorrect boundary conditions and an integer overflow within...

KLA90971 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, execute arbitrary code. Below is a complete list of vulnerabilities: 1. Incorrect boundary conditions vulnerability, integer overflow vulnerability in the...

[SECURITY] Fedora 42 Update: firefox-149.0-2.fc42

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability...

Mozilla Firefox and Mozilla Thunderbird Spoofing Vulnerability (CNVD-2026-16379)

Mozilla Firefox is an open source web browser.Mozilla Thunderbird is a set of e-mail client software separate from the Mozilla Application Suite. The software supports IMAP, POP mail protocols and HTML mail format. Mozilla Firefox and Mozilla Thunderbird have a spoofing vulnerability that can be...

Mozilla Firefox and Mozilla Thunderbird Resource Management Error Vulnerability (CNVD-2026-16377)

Mozilla Firefox is an open source web browser.Mozilla Thunderbird is a set of e-mail client software separate from the Mozilla Application Suite. The software supports IMAP, POP mail protocols and HTML mail format. A resource management error vulnerability exists in Mozilla Firefox and Mozilla...

Multiple Mozilla Products Code Issue Vulnerabilities (CNVD-2026-16997)

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 multiple Mozilla products that stem...

Multiple Mozilla Products Code Issues Vulnerabilities

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...

Integer Overflow Vulnerability in Multiple Mozilla Products (CNVD-2026-19991)

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,...

Multiple Mozilla Products Resource Management Error Vulnerability (CNVD-2026-16998)

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 resource management error vulnerability exists in multiple Mozilla...

Code execution vulnerability in multiple Mozilla products (CNVD-2026-19988)

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...

Unspecified Vulnerability in Multiple Mozilla Products (CNVD-2026-17914)

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

Elevation of Privilege Vulnerability in Multiple Mozilla Products (CNVD-2026-17001)

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 elevation of privilege vulnerability exists in several Mozilla...

Code Issue Vulnerability in Multiple Mozilla Products (CNVD-2026-19984)

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 multiple Mozilla products that is...

Mozilla Firefox and Mozilla Thunderbird Security Bypass Vulnerability (CNVD-2026-16378)

Mozilla Firefox is an open source web browser.Mozilla Thunderbird is a set of e-mail client software separate from the Mozilla Application Suite. The software supports IMAP, POP mail protocols and HTML mail format. A security bypass vulnerability exists in Mozilla Firefox and Mozilla Thunderbird...

Mozilla Firefox and Mozilla Thunderbird Code Execution Vulnerability (CNVD-2026-16372)

Mozilla Firefox is an open source web browser.Mozilla Thunderbird is a set of e-mail client software separate from the Mozilla Application Suite. The software supports IMAP, POP mail protocols and HTML mail format. A code execution vulnerability exists in Mozilla Firefox and Mozilla Thunderbird d...

Mozilla Firefox and Mozilla Thunderbird Denial of Service Vulnerability

Mozilla Firefox is an open source web browser.Mozilla Thunderbird is a set of e-mail client software separate from the Mozilla Application Suite. The software supports IMAP, POP mail protocols and HTML mail format. A denial of service vulnerability exists in Mozilla Firefox and Mozilla Thunderbir...

Unspecified Vulnerability in Mozilla Firefox and Mozilla Thunderbird

Mozilla Firefox is an open source web browser.Mozilla Thunderbird is a set of e-mail client software separate from the Mozilla Application Suite. The software supports IMAP, POP mail protocols and HTML mail format. A security vulnerability exists in Mozilla Firefox and Mozilla Thunderbird, which...

Mozilla Firefox and Mozilla Thunderbird Denial of Service Vulnerability (CNVD-2026-16375)

Mozilla Firefox is an open source web browser.Mozilla Thunderbird is a set of e-mail client software separate from the Mozilla Application Suite. The software supports IMAP, POP mail protocols and HTML mail format. A denial of service vulnerability exists in Mozilla Firefox and Mozilla Thunderbir...

Code execution vulnerability in multiple Mozilla products (CNVD-2026-16995)

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 that...

Code execution vulnerability in multiple Mozilla products (CNVD-2026-17002)

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. The...