Astra Linux – Vulnerability in Firefox and Thunderbird

Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11...

firefox: thunderbird: Error handling for script execution was incorrectly isolated from web content

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Error handling for script execution is incorrectly isolated from web content, which could allow cross-origin leak attacks...