{"id":"RHSA-2026:9591","summary":"Red Hat Security Advisory: python3.11 security update","modified":"2026-04-24T10:12:55Z","published":"2026-04-22T10:11:30Z","upstream":["CVE-2026-4519"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:9591"},{"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_9591.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":"python3.11","ecosystem":"Red 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