Heap-based buffer overflow in the yy_get_next_buffer function in Flex before 2.6.1 might allow context-dependent attackers to cause a denial of service or possibly execute arbitrary code via vectors involving num_to_read.Referenceshttp://www.openwall.com/lists/oss-security/2016/07/18/8http://www.openwall.com/lists/oss-security/2016/07/26/12https://github.com/westes/flex/commit/a5cbe929ac3255d371e698f62dc256afe7006466http://www.debian.org/security/2016/dsa-3653https://security.gentoo.org/glsa/201701-31
