A flaw was found in the way dic_unserialize function of glusterfs does not handle negative key length values. An attacker could use this flaw to read memory from other locations into the stored dict value.
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00035.html
https://access.redhat.com/errata/RHSA-2018:2607
https://access.redhat.com/errata/RHSA-2018:2608
https://access.redhat.com/errata/RHSA-2018:2892
https://access.redhat.com/errata/RHSA-2018:3242
https://access.redhat.com/errata/RHSA-2018:3470
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10911
https://lists.debian.org/debian-lts-announce/2018/09/msg00021.html
https://lists.debian.org/debian-lts-announce/2021/11/msg00000.html