Format string vulnerability in the inc_put_error function in src/inc.c in Sylpheed 2.4.4, and Sylpheed-Claws (Claws Mail) 1.9.100 and 2.10.0, allows remote POP3 servers to execute arbitrary code via format string specifiers in crafted replies.
https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00077.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/36238
https://bugzilla.redhat.com/show_bug.cgi?id=254121
http://www.vupen.com/english/advisories/2007/2971
http://www.securityfocus.com/bid/25430
http://www.novell.com/linux/security/advisories/2007_20_sr.html
http://security.gentoo.org/glsa/glsa-200710-29.xml
http://secunia.com/secunia_research/2007-70/advisory/
http://secunia.com/advisories/27379
http://secunia.com/advisories/27229
http://secunia.com/advisories/26610