{"id":"RLSA-2021:1898","summary":"Moderate: python-lxml security update","details":"lxml is an XML processing library providing access to libxml2 and libxslt libraries using the Python ElementTree API. \n\nSecurity Fix(es):\n\n* python-lxml: mXSS due to the use of improper parser (CVE-2020-27783)\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 8.4 Release Notes linked from the References section.","modified":"2026-02-04T10:00:04.582267Z","published":"2021-05-18T06:21:26Z","upstream":["CVE-2020-27783"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:1898"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1901633"}],"affected":[{"package":{"name":"python-lxml","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/python-lxml?distro=rocky-linux-8-4-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.2.3-2.el8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:1898.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}