Mozilla Firefox is an vulnerable to out-of-bounds reads. This exists in “graphite2::Pass::readPass” in Graphite2 Library. An attacker could possibly exploit this flaw to disclose potentially sensitive memory or cause an application crash.
access.redhat.com/errata/RHSA-2017:1440
access.redhat.com/security/updates/classification/#critical
bugzilla.redhat.com/show_bug.cgi?id=1472212
bugzilla.redhat.com/show_bug.cgi?id=1472212
www.mozilla.org/en-US/security/advisories/mfsa2017-15/
www.mozilla.org/en-US/security/advisories/mfsa2017-15/
www.mozilla.org/en-US/security/advisories/mfsa2017-16/