Astra Linux – Vulnerability in Thunderbird

If a Thunderbird user responded to a crafted HTML email containing a meta tag, where the meta tag had the http-equiv="refresh" attribute, and the content attribute specified a URL, then Thunderbird would initiate a network request to that URL, regardless of any configuration settings that block...

Mozilla: Leaking of sensitive information when composing a response to an HTML email with a META refresh tag

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of a Thunderbird user replying to a crafted HTML email containing a meta tag, with the meta tag having the http-equiv="refresh" attribute and the content attribute specifying an URL. Thunderbird started a...

USN-5248-1 thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, trick a user into accepting unwanted permissions,...