{"id":"RLSA-2021:4161","summary":"Moderate: python-jinja2 security update","details":"The python-jinja2 package contains Jinja2, a template engine written in pure Python. Jinja2 provides a Django inspired non-XML syntax but supports inline expressions and an optional sandboxed environment. \n\nSecurity Fix(es):\n\n* python-jinja2: ReDoS vulnerability due to the sub-pattern (CVE-2020-28493)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.","modified":"2026-03-11T06:00:21.347569Z","published":"2021-11-09T08:26:43Z","upstream":["CVE-2020-28493"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:4161"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1928707"}],"affected":[{"package":{"name":"python-jinja2","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/python-jinja2?distro=rocky-linux-8-x86-64&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.10.1-3.el8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:4161.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}