Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded.
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0330
https://savannah.nongnu.org/bugs/?37704
http://www.securityfocus.com/bid/56482
http://www.openwall.com/lists/oss-security/2012/11/12/2
http://www.mandriva.com/security/advisories?name=MDVSA-2013:136
http://secunia.com/advisories/51377
http://lists.opensuse.org/opensuse-updates/2012-11/msg00087.html
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00018.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092536.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092490.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092228.html