OSV-2018-73 Stack-buffer-overflow in hb_array_t<char const>::cmp

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11908 Crash type: Stack-buffer-overflow READ 4 Crash state: hbarrayt::cmp OT::post::acceleratort::cmpkey hbbsearchr...

WS-2018-0667

Harfbuzz in versions 1.7.0 to 2.2.0 is vulnerable to Crash in Stack-buffer-overflow in hbbsearchr, related to src/hb-ot-post-table.hh...