boost::locale::utf::utf_traits in the Boost.Locale library in Boost 1.48 through 1.52 does not properly detect certain invalid UTF-8 sequences, which might allow remote attackers to bypass input validation protection mechanisms via crafted trailing bytes.
https://svn.boost.org/trac/boost/ticket/7743
https://bugzilla.redhat.com/show_bug.cgi?id=907481
http://www.ubuntu.com/usn/USN-1727-1
http://www.securityfocus.com/bid/57675
http://www.openwall.com/lists/oss-security/2013/02/04/2
http://www.mandriva.com/security/advisories?name=MDVSA-2013:065
http://www.boost.org/users/news/boost_locale_security_notice.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-February/099122.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-February/099103.html