Format string vulnerability in the vinagre_utils_show_error function (src/vinagre-utils.c) in Vinagre 0.5.x before 0.5.2 and 2.x before 2.24.2 might allow remote attackers to execute arbitrary code via format string specifiers in a crafted URI or VNC server response.
https://www.redhat.com/archives/fedora-package-announce/2008-December/msg00485.html
https://www.redhat.com/archives/fedora-package-announce/2008-December/msg00473.html
https://www.exploit-db.com/exploits/7401
https://bugzilla.redhat.com/show_bug.cgi?id=475070
http://www.vupen.com/english/advisories/2008/3362
http://www.ubuntu.com/usn/usn-689-1
http://www.securityfocus.com/archive/1/499057/100/0/threaded
http://www.mandriva.com/security/advisories?name=MDVSA-2008:240
http://secunia.com/advisories/33082