A potentially exploitable crash in "EnumerateSubDocuments" while adding or removing sub-documents. This vulnerability affects Firefox ESR < 45.6 and Thunderbird < 45.6.Referenceshttps://www.mozilla.org/security/advisories/mfsa2016-95/http://www.securityfocus.com/bid/94884https://security.gentoo.org/glsa/201701-15https://www.debian.org/security/2017/dsa-3757https://bugzilla.mozilla.org/show_bug.cgi?id=1293985http://rhn.redhat.com/errata/RHSA-2016-2973.htmlhttp://www.securitytracker.com/id/1037462https://www.mozilla.org/security/advisories/mfsa2016-96/http://rhn.redhat.com/errata/RHSA-2016-2946.html
