The uncompress_buffer function in src/server/simple_wml.cpp in Wesnoth before r33069 allows remote attackers to cause a denial of service via a large compressed WML document.
https://gna.org/bugs/index.php?13037
http://www.securityfocus.com/bid/34085
http://www.debian.org/security/2009/dsa-1737
http://svn.gna.org/viewcvs/wesnoth/trunk/src/server/simple_wml.cpp?rev=33069&view=log
http://svn.gna.org/viewcvs/wesnoth/trunk/src/server/simple_wml.cpp?rev=33069&r1=32990&r2=33069
http://secunia.com/advisories/34253
http://secunia.com/advisories/34236
http://packages.debian.org/changelogs/pool/main/w/wesnoth/wesnoth_1.5.12-1/changelog
http://packages.debian.org/changelogs/pool/main/w/wesnoth/wesnoth_1.4.7-4/changelog
http://launchpad.net/bugs/cve/2009-0366