Use-after-free in the XML-LibXML module through 2.0129 for Perl allows remote attackers to execute arbitrary code by controlling the arguments to a replaceChild call.Referenceshttps://www.debian.org/security/2017/dsa-4042https://lists.debian.org/debian-lts-announce/2017/11/msg00017.htmlhttps://rt.cpan.org/Public/Bug/Display.html?id=122246
