The ADDW macro in stdio-common/vfscanf.c in the GNU C Library (aka glibc or libc6) before 2.21 does not properly consider data-type size during memory allocation, which allows context-dependent attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a long line containing wide characters that are improperly handled in a wscanf call. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-1472
configure a project using the following option:
--with-template=feature/build_libc
and apply the attached patch
cd layers/oe-core
patch -Np1 < WR7-glibc-Security-Advisory-glibc-CVE-2015-1472.patch
