The use of uninitialized memory related to “graphite2::GlyphCache::Loader::read_glyph” has been reported in graphite2. An attacker could possibly exploit this flaw to negatively impact the execution of an application using graphite2 in unknown ways.
bugzilla.redhat.com/show_bug.cgi?id=1472225
sourceforge.net/p/silgraphite/mailman/message/35824024/ https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/#CVE-2017-7778