FreeType 2 before 2016-12-16 has an out-of-bounds write caused by a heap-based buffer overflow related to the cff_parser_run function in cff/cffparse.c.
git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=beecf80a6deecbaf5d264d4f864451bde4fe98b8
savannah.nongnu.org/bugs/?func=detailitem&item_id=49858
www.securityfocus.com/bid/97677
bugs.chromium.org/p/oss-fuzz/issues/detail?id=289
security.gentoo.org/glsa/201706-14
www.oracle.com/security-alerts/cpuapr2020.html