Mozilla Firefox and Thunderbird Information Disclosure Vulnerability (CNVD-2025-00859)

Mozilla Firefox is an open source web browser.Mozilla Thunderbird is a set of e-mail client software separate from the Mozilla Application Suite. Mozilla Firefox and Thunderbird suffer from an information disclosure vulnerability that is caused by insufficient clipboard protection in Android...

Denial of Service Vulnerability in Multiple Mozilla Products (CNVD-2024-48560)

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the U.S.A. Mozilla Firefox ESR is an extended support version of Firefox the web browser.Mozilla Thunderbird is email client software that supports the IMAP and POP mail protocols as well as the HTML mail format. A denia...

Mozilla Firefox Clickjacking Vulnerability (CNVD-2024-48569)

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the United States. Mozilla Firefox is vulnerable to clickjacking. An attacker can exploit this vulnerability to confirm user intent via eavesdropping hijacking...

Code execution vulnerability in multiple Mozilla products (CNVD-2024-48563)

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the U.S.A. Mozilla Firefox ESR is an extended support version of Firefox the web browser.Mozilla Thunderbird is email client software that supports the IMAP and POP mail protocols as well as the HTML mail format. A code...

Unspecified Vulnerability in Mozilla Firefox (CNVD-2024-48568)

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the United States. A security vulnerability exists in Mozilla Firefox, which stems from the fact that under certain circumstances, navigating to a web page can result in a missing address in the location URL bar. No...

Multiple Mozilla Product Spoofing Vulnerabilities (CNVD-2024-48565)

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the U.S.A. Mozilla Firefox ESR is an extended support version of Firefox the web browser.Mozilla Thunderbird is email client software that supports the IMAP and POP mail protocols as well as the HTML mail format. A...

Security Bypass Vulnerability in Multiple Mozilla Products (CNVD-2024-48564)

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the U.S.A. Mozilla Firefox ESR is an extended support version of Firefox the web browser.Mozilla Thunderbird is email client software that supports the IMAP and POP mail protocols as well as the HTML mail format. A...

Security Bypass Vulnerability in Multiple Mozilla Products (CNVD-2024-48561)

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the U.S.A. Mozilla Firefox ESR is an extended support version of Firefox the web browser.Mozilla Thunderbird is email client software that supports the IMAP and POP mail protocols as well as the HTML mail format. A...

Mozilla Firefox for iOS Spoofing Vulnerability

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the United States. Mozilla Firefox for iOS suffers from a spoofing vulnerability caused by an error when accessing a non-secure HTTP site that uses a non-existent port. An attacker can use this vulnerability to make the...

Multiple Mozilla Product Spoofing Vulnerabilities (CNVD-2025-00860)

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 spoofing vulnerability exists in several Mozilla products. An attacker...

firefox: thunderbird: URL Bar Spoofing via Manipulated Punycode and Whitespace Characters

A flaw was found in Mozilla. The Mozilla Foundation's Security Advisory describes the following issue: A crafted URL containing Arabic script and whitespace characters could have hidden the true origin of the page, resulting in a potential spoofing attack...

firefox: thunderbird: Improper Keypress Handling in Executable File Confirmation Dialog

A flaw was found in Mozilla. The Mozilla Foundation's Security Advisory describes the following issue: When handling keypress events, an attacker may have been able to trick a user into bypassing the "Open Executable File?" confirmation dialog. This could have led to malicious code execution...

firefox: thunderbird: Select list elements could be shown over another site

A flaw was found in Mozilla. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could cause a select dropdown to be shown over another tab; this could have led to user confusion and possible spoofing attacks...

firefox: thunderbird: CSP Bypass and XSS Exposure via Web Compatibility Shims

The Mozilla Foundation's Security Advisory: Enhanced Tracking Protection's Strict mode may inadvertently allow a CSP frame-src bypass and DOM-based cross-site scripting XSS through the Google SafeFrame shim in the Web Compatibility extension. This issue could expose users to malicious frames...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

firefox: thunderbird: Unhandled Exception in Add-on Signature Verification

The Mozilla Foundation's Security Advisory: The application can fail to account for exceptions thrown by the loadManifestFromFile method during add-on signature verification. This flaw is triggered by an invalid or unsupported extension manifest and could cause runtime errors that disrupt the...

firefox: thunderbird: Select list elements could be shown over another site

A flaw was found in Mozilla. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could cause a select dropdown to be shown over another tab; this could have led to user confusion and possible spoofing attacks...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

firefox: thunderbird: Unhandled Exception in Add-on Signature Verification

The Mozilla Foundation's Security Advisory: The application can fail to account for exceptions thrown by the loadManifestFromFile method during add-on signature verification. This flaw is triggered by an invalid or unsupported extension manifest and could cause runtime errors that disrupt the...

firefox: thunderbird: Select list elements could be shown over another site

A flaw was found in Mozilla. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could cause a select dropdown to be shown over another tab; this could have led to user confusion and possible spoofing attacks...