thunderbird is vulnerable to sandbox bypass. The vulnerability exists through the Iframe with XSLT.
access.redhat.com/errata/RHSA-2022:0126
access.redhat.com/security/updates/classification/#important
bugzilla.mozilla.org/show_bug.cgi?id=1746720
bugzilla.redhat.com/show_bug.cgi?id=2039568
www.mozilla.org/security/advisories/mfsa2022-01/
www.mozilla.org/security/advisories/mfsa2022-02/
www.mozilla.org/security/advisories/mfsa2022-03/