OSV-2018-389 UNKNOWN READ in boost::re_detail_NUMBER::basic_regex_creator<char, boost::regex_traits<char, boo

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6708 Crash type: UNKNOWN READ Crash state: boost::redetailNUMBER::basicregexcreatorchar, boost::regextraitschar, boo boost::redetailNUMBER::basicregexcreatorchar, boost::regextraitschar, boo...

Design/Logic Flaw

The getrepeattype function in basicregexcreator.hpp in the Boost regex library aka Boost.Regex in Boost 1.33 and 1.34 allows context-dependent attackers to cause a denial of service NULL dereference and crash via an invalid regular expression...