Mozilla Firefox and 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. A denial of service vulnerability exists in Mozilla Firefox and Thunderbird, which allows remote attackers to exploit the vulnerability by submitting a...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.8 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: 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: 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: 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: 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...

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...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.2 Advanced 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: 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: Memory safety bugs fixed in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5

A flaw was found in Mozilla. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs are present in Firefox 132, Firefox ESR 128.4, and Thunderbird 128.4. Some of these bugs showed evidence of memory corruption, and we presume that with enough effort, some of...

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...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. 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...

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: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 9. 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: 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: 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: 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: 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...

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...