{"id":"RHSA-2021:4158","summary":"Red Hat Security Advisory: python-lxml security update","modified":"2025-12-18T10:32:46.122928Z","published":"2024-09-13T20:31:25Z","upstream":["CVE-2021-28957"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2021:4158"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#moderate"},{"type":"ARTICLE","url":"https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1941534"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_4158.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-28957"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2021-28957"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28957"}],"affected":[{"package":{"name":"python-lxml","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/python-lxml"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.2.3-3.el8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:4158.json"}},{"package":{"name":"python-lxml-debugsource","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/python-lxml-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.2.3-3.el8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:4158.json"}},{"package":{"name":"python3-lxml","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/python3-lxml"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.2.3-3.el8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:4158.json"}},{"package":{"name":"python3-lxml-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/python3-lxml-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.2.3-3.el8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:4158.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"}]}