Evolution 2.22.3.1 checks S/MIME signatures against a copy of the e-mail text within a signed-data blob, not the copy of the e-mail text displayed to the user, which allows remote attackers to spoof a signature by modifying the latter copy, a different vulnerability than CVE-2008-5077.
https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00672.html
https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00666.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9619
https://bugzilla.redhat.com/show_bug.cgi?id=484925
http://www.vupen.com/english/advisories/2010/1107
http://www.securityfocus.com/bid/33720
http://www.redhat.com/support/errata/RHSA-2009-0355.html
http://www.redhat.com/support/errata/RHSA-2009-0354.html
http://www.mandriva.com/security/advisories?name=MDVSA-2009:078
http://www.debian.org/security/2009/dsa-1813
http://secunia.com/advisories/38915
http://secunia.com/advisories/35357
http://secunia.com/advisories/34363
http://secunia.com/advisories/34339
http://secunia.com/advisories/34338
http://secunia.com/advisories/33848
http://openwall.com/lists/oss-security/2009/02/10/7
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html