Off-by-one error in the DecompressRTF function in ytnef.c in Yerase's TNEF Stream Reader allows remote attackers to cause a denial of service (crash) via a crafted TNEF file, which triggers a buffer overflow.
https://lists.fedoraproject.org/pipermail/package-announce/2012-July/083853.html
https://lists.fedoraproject.org/pipermail/package-announce/2012-July/083804.html
https://bugzilla.redhat.com/show_bug.cgi?id=831322
http://www.securityfocus.com/bid/54484