{"id":"RHSA-2025:7535","summary":"Red Hat Security Advisory: Red Hat OpenStack Platform 18.0 (python-h11) security update","modified":"2026-03-21T10:12:49Z","published":"2025-05-14T10:06:53Z","upstream":["CVE-2025-43859"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:7535"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2362162"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_7535.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-43859"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2025-43859"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-43859"},{"type":"ARTICLE","url":"https://github.com/python-hyper/h11/commit/114803a29ce50116dc47951c690ad4892b1a36ed"},{"type":"ARTICLE","url":"https://github.com/python-hyper/h11/security/advisories/GHSA-vqfr-h8mv-ghfj"}],"affected":[{"package":{"name":"python-h11","ecosystem":"Red Hat:openstack:18.0::el9","purl":"pkg:rpm/redhat/python-h11"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.12.0-4.el9ost"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2025:7535.json"}},{"package":{"name":"python3-h11","ecosystem":"Red Hat:openstack:18.0::el9","purl":"pkg:rpm/redhat/python3-h11"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.12.0-4.el9ost"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2025:7535.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}