Synopsis: Important: xstream security update Advisory ID: SLSA-2021:0162-1 Issue Date: 2021-01-19 CVE Numbers: CVE-2020-26217 -- Security Fix(es): * XStream: remote code execution due to insecure XML deserialization when relying on blocklists (CVE-2020-26217) -- SL7 noarch xstream-1.3.1-12.el7_9.noarch.rpm xstream-javadoc-1.3.1-12.el7_9.noarch.rpm - Scientific Linux Development Team