An out of bounds read flaw related to “graphite2::Silf::getClassGlyph” has been reported in graphite2. An attacker could possibly exploit this flaw to disclose potentially sensitive memory or cause an application crash.
bugzilla.redhat.com/show_bug.cgi?id=1472223
sourceforge.net/p/silgraphite/mailman/message/35824024/ https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/#CVE-2017-7778