{"id":"ALSA-2026:77021","summary":"Important: python3.14 security update","details":"Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.  \n\nSecurity Fix(es):  \n\n  * python: python: Certificate verification bypass via missing server_hostname validation in SSLContext.wrap_bio() (CVE-2026-19553)\n  * python: Use-after-free of a server-side SSLContext when sni_callback switches contexts (CVE-2026-19445)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","modified":"2026-10-09T12:11:47.117362987Z","published":"2026-10-06T00:00:00Z","related":["CVE-2026-19445","CVE-2026-19553"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:77021"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-19445"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-19553"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2544127"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2544138"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-77021.html"}],"affected":[{"package":{"name":"python3.14","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3.14"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.8-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:77021.json"}},{"package":{"name":"python3.14-debug","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3.14-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.8-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:77021.json"}},{"package":{"name":"python3.14-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3.14-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.8-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:77021.json"}},{"package":{"name":"python3.14-freethreading","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3.14-freethreading"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.8-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:77021.json"}},{"package":{"name":"python3.14-freethreading-debug","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3.14-freethreading-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.8-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:77021.json"}},{"package":{"name":"python3.14-freethreading-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3.14-freethreading-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.8-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:77021.json"}},{"package":{"name":"python3.14-freethreading-idle","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3.14-freethreading-idle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.8-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:77021.json"}},{"package":{"name":"python3.14-freethreading-libs","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3.14-freethreading-libs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.8-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:77021.json"}},{"package":{"name":"python3.14-freethreading-test","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3.14-freethreading-test"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.8-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:77021.json"}},{"package":{"name":"python3.14-freethreading-tkinter","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3.14-freethreading-tkinter"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.8-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:77021.json"}},{"package":{"name":"python3.14-idle","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3.14-idle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.8-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:77021.json"}},{"package":{"name":"python3.14-libs","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3.14-libs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.8-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:77021.json"}},{"package":{"name":"python3.14-test","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3.14-test"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.8-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/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