{"id":"ALSA-2021:4158","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: Missing input sanitization for formaction HTML5 attributes may lead to XSS (CVE-2021-28957)\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 AlmaLinux Release Notes linked from the References section.","modified":"2026-02-04T02:55:55.163823Z","published":"2021-11-09T08:26:20Z","related":["CVE-2021-28957"],"references":[{"type":"REPORT","url":"https://vulners.com/cve/CVE-2021-28957"}],"affected":[{"package":{"name":"python3-lxml","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/python3-lxml"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.3-3.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4158.json"}}],"schema_version":"1.7.3"}