The xmlParseXMLDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive information via an (1) unterminated encoding value or (2) incomplete XML declaration in XML data, which triggers an out-of-bounds heap read.
lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
lists.apple.com/archives/security-announce/2016/Jul/msg00002.html
lists.apple.com/archives/security-announce/2016/Jul/msg00003.html
lists.apple.com/archives/security-announce/2016/Jul/msg00005.html
lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
marc.info/?l=bugtraq&m=145382616617563&w=2
rhn.redhat.com/errata/RHSA-2015-2549.html
rhn.redhat.com/errata/RHSA-2016-1089.html
www.debian.org/security/2015/dsa-3430
www.openwall.com/lists/oss-security/2015/11/21/1
www.openwall.com/lists/oss-security/2015/11/22/3
www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
www.securityfocus.com/bid/77681
www.securityfocus.com/bid/91826
www.securitytracker.com/id/1034243
www.ubuntu.com/usn/USN-2834-1
blog.fuzzing-project.org/28-Libxml2-Several-out-of-bounds-reads.html
bugzilla.gnome.org/show_bug.cgi?id=751603
bugzilla.gnome.org/show_bug.cgi?id=751631
bugzilla.redhat.com/show_bug.cgi?id=1281930
git.gnome.org/browse/libxml2/commit/?id=709a952110e98621c9b78c4f26462a9d8333102e
git.gnome.org/browse/libxml2/commit/?id=9aa37588ee78a06ca1379a9d9356eab16686099c
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172
support.apple.com/HT206899
support.apple.com/HT206901
support.apple.com/HT206902
support.apple.com/HT206903
support.apple.com/HT206904
support.apple.com/HT206905