Mozilla Thunderbird < 91.1

The version of Thunderbird installed on the remote Windows host is prior to 91.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-41 advisory. - Mozilla developers Tyson Smith, Christian Holler, and Gabriele Svelto reported memory safety bugs present in...

CVE-2021-38492

When delegating navigations to the operating system, Firefox would accept the mk scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. This bug only affects Firefox for Windows. Other operating systems are unaffected.. This vulnerability...

Security Vulnerabilities fixed in Firefox ESR 78.14 — Mozilla

When delegating navigations to the operating system, Firefox would accept the mk scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. This bug only affects Firefox for Windows. Other operating systems are unaffected. Mozilla developers...