Format string vulnerability in the mod_tcl module 1.0 for Apache 2.x allows context-dependent attackers to execute arbitrary code via format string specifiers that are not properly handled in a set_var function call in (1) tcl_cmds.c and (2) tcl_core.c.
https://exchange.xforce.ibmcloud.com/vulnerabilities/29550
http://www.vupen.com/english/advisories/2006/4033
http://www.securityfocus.com/bid/20527
http://www.kb.cert.org/vuls/id/366020
http://securitytracker.com/id?1017062
http://security.gentoo.org/glsa/glsa-200610-12.xml
http://secunia.com/advisories/22549
http://secunia.com/advisories/22458
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=421