Heap-based buffer overflow in the xmlParseXmlDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors related to extracting errors after an encoding conversion failure.
https://security.gentoo.org/glsa/201701-37
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172
https://git.gnome.org/browse/libxml2/commit/?id=afd27c21f6b36e22682b7da20d726bce2dcb2f43
https://bugzilla.redhat.com/show_bug.cgi?id=1281879
http://www.ubuntu.com/usn/USN-2834-1
http://www.securitytracker.com/id/1034243
http://www.securityfocus.com/bid/79548
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.debian.org/security/2015/dsa-3430
http://rhn.redhat.com/errata/RHSA-2016-1089.html
http://rhn.redhat.com/errata/RHSA-2015-2550.html
http://rhn.redhat.com/errata/RHSA-2015-2549.html
http://marc.info/?l=bugtraq&m=145382616617563&w=2
http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html