vulnerability

Gentoo Linux: CVE-2017-5383: Mozilla Thunderbird: Multiple vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
Feb 20, 2017
Added
Oct 30, 2017
Modified
Mar 31, 2026

Description

URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

Solutions

gentoo-linux-upgrade-mail-client-thunderbirdgentoo-linux-upgrade-mail-client-thunderbird-bingentoo-linux-upgrade-www-client-firefoxgentoo-linux-upgrade-www-client-firefox-bin
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.