libxml2 is vulnerable to denial of service (DoS). The vulnerability exists through an infinite loop caused by incorrect error detection during LZMA decompression.
www.securityfocus.com/bid/105198
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.8_release_notes/index
access.redhat.com/errata/RHSA-2020:1190
access.redhat.com/security/updates/classification/#moderate
gitlab.gnome.org/GNOME/libxml2/commit/2240fbf5912054af025fb6e01e26375100275e74
lists.debian.org/debian-lts-announce/2018/09/msg00035.html
lists.debian.org/debian-lts-announce/2020/09/msg00009.html
usn.ubuntu.com/3739-1/