{"id":"RHSA-2026:6256","summary":"Red Hat Security Advisory: python3.12 security update","modified":"2026-04-08T10:08:20Z","published":"2026-03-31T10:12:19Z","upstream":["CVE-2026-4519"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:6256"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2449649"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_6256.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-4519"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-4519"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4519"},{"type":"ARTICLE","url":"https://github.com/python/cpython/issues/143930"},{"type":"ARTICLE","url":"https://github.com/python/cpython/pull/143931"},{"type":"ARTICLE","url":"https://mail.python.org/archives/list/security-announce@python.org/thread/AY5NDSS433JK56Q7Q5IS7B37QFZVVOUS/"}],"affected":[{"package":{"name":"python-unversioned-command","ecosystem":"Red Hat:enterprise_linux:10.1","purl":"pkg:rpm/redhat/python-unversioned-command"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12.12-3.el10_1.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:6256.json"}},{"package":{"name":"python3","ecosystem":"Red Hat:enterprise_linux:10.1","purl":"pkg:rpm/redhat/python3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12.12-3.el10_1.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:6256.json"}},{"package":{"name":"python3-debug","ecosystem":"Red Hat:enterprise_linux:10.1","purl":"pkg:rpm/redhat/python3-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12.12-3.el10_1.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:6256.json"}},{"package":{"name":"python3-devel","ecosystem":"Red Hat:enterprise_linux:10.1","purl":"pkg:rpm/redhat/python3-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12.12-3.el10_1.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:6256.json"}},{"package":{"name":"python3-idle","ecosystem":"Red Hat:enterprise_linux:10.1","purl":"pkg:rpm/redhat/python3-idle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12.12-3.el10_1.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:6256.json"}},{"package":{"name":"python3-libs","ecosystem":"Red Hat:enterprise_linux:10.1","purl":"pkg:rpm/redhat/python3-libs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12.12-3.el10_1.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:6256.json"}},{"package":{"name":"python3-test","ecosystem":"Red Hat:enterprise_linux:10.1","purl":"pkg:rpm/redhat/python3-test"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12.12-3.el10_1.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:6256.json"}},{"package":{"name":"python3-tkinter","ecosystem":"Red Hat:enterprise_linux:10.1","purl":"pkg:rpm/redhat/python3-tkinter"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12.12-3.el10_1.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:6256.json"}},{"package":{"name":"python3.12","ecosystem":"Red Hat:enterprise_linux:10.1","purl":"pkg:rpm/redhat/python3.12"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12.12-3.el10_1.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:6256.json"}},{"package":{"name":"python3.12-debuginfo","ecosystem":"Red Hat:enterprise_linux:10.1","purl":"pkg:rpm/redhat/python3.12-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12.12-3.el10_1.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:6256.json"}},{"package":{"name":"python3.12-debugsource","ecosystem":"Red Hat:enterprise_linux:10.1","purl":"pkg:rpm/redhat/python3.12-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12.12-3.el10_1.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:6256.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"}]}