The silc_asn1_encoder function in lib/silcasn1/silcasn1_encode.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.8 allows remote attackers to overwrite a stack location and possibly execute arbitrary code via a crafted OID value, related to incorrect use of a %lu format string.
lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html
secunia.com/advisories/36614
secunia.com/advisories/36625
silcnet.org/docs/changelog/SILC%20Toolkit%201.1.8
silcnet.org/general/news/news_toolkit.php
www.debian.org/security/2009/dsa-1879
www.mandriva.com/security/advisories?name=MDVSA-2009:234
www.openwall.com/lists/oss-security/2009/08/31/5
www.openwall.com/lists/oss-security/2009/09/03/5
www.securityfocus.com/bid/36192
exchange.xforce.ibmcloud.com/vulnerabilities/53477