{"id":"RHSA-2026:35838","summary":"Red Hat Security Advisory: python3 security update","modified":"2026-07-06T10:17:00.343499949Z","published":"2026-07-06T10:08:02Z","upstream":["CVE-2026-4786"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:35838"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2458049"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_35838.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-4786"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-4786"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4786"},{"type":"ARTICLE","url":"https://github.com/python/cpython/issues/148169"},{"type":"ARTICLE","url":"https://github.com/python/cpython/pull/148170"},{"type":"ARTICLE","url":"https://mail.python.org/archives/list/security-announce@python.org/thread/JQDUNJVB4AQNTJECSUKOBDU3XCJIPSE5/"}],"affected":[{"package":{"name":"python3","ecosystem":"Red Hat:rhel_els:7","purl":"pkg:rpm/redhat/python3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.8-21.el7_9.6"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"}},{"package":{"name":"python3-debuginfo","ecosystem":"Red Hat:rhel_els:7","purl":"pkg:rpm/redhat/python3-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.8-21.el7_9.6"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"}},{"package":{"name":"python3-libs","ecosystem":"Red Hat:rhel_els:7","purl":"pkg:rpm/redhat/python3-libs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.8-21.el7_9.6"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"}},{"package":{"name":"python3-debug","ecosystem":"Red Hat:rhel_els:7","purl":"pkg:rpm/redhat/python3-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.8-21.el7_9.6"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"}},{"package":{"name":"python3-devel","ecosystem":"Red Hat:rhel_els:7","purl":"pkg:rpm/redhat/python3-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.8-21.el7_9.6"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"}},{"package":{"name":"python3-idle","ecosystem":"Red Hat:rhel_els:7","purl":"pkg:rpm/redhat/python3-idle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.8-21.el7_9.6"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"}},{"package":{"name":"python3-test","ecosystem":"Red Hat:rhel_els:7","purl":"pkg:rpm/redhat/python3-test"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.8-21.el7_9.6"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"}},{"package":{"name":"python3-tkinter","ecosystem":"Red Hat:rhel_els:7","purl":"pkg:rpm/redhat/python3-tkinter"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.8-21.el7_9.6"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L"}]}