{"id":"RHSA-2026:56219","summary":"Red Hat Security Advisory: python3 security update","modified":"2026-08-20T10:19:53Z","published":"2026-08-19T10:22:56Z","upstream":["CVE-2026-11940"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:56219"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2491848"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_56219.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-11940"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-11940"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11940"},{"type":"ARTICLE","url":"https://github.com/python/cpython/issues/151558"},{"type":"ARTICLE","url":"https://github.com/python/cpython/pull/151559"},{"type":"ARTICLE","url":"https://mail.python.org/archives/list/security-announce@python.org/thread/LD6QIISNQFQYOIEPJNEUIPV7S3V76FZH/"}],"affected":[{"package":{"name":"platform-python","ecosystem":"Red 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