{"id":"CLSA-2026-1791820273","summary":"python3.9: Fix of 2 CVEs","details":"- CVE-2026-19445: prevent use-after-free in the TLS server name callback\n  when switching SSL contexts\n- CVE-2026-19553: validate SSLObject server hostname and session parameters\n  before wrapping memory BIOs","modified":"2026-10-26T09:30:39.105478528Z","published":"2026-10-12T15:51:25Z","upstream":["CVE-2026-19445","CVE-2026-19553"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1791820273.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19445"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19553"}],"affected":[{"package":{"name":"python-unversioned-command","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python-unversioned-command?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.16-1.el9_2.2.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791820273.json"}},{"package":{"name":"python3","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.16-1.el9_2.2.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791820273.json"}},{"package":{"name":"python3-debug","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3-debug?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.16-1.el9_2.2.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791820273.json"}},{"package":{"name":"python3-devel","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3-devel?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.16-1.el9_2.2.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791820273.json"}},{"package":{"name":"python3-idle","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3-idle?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.16-1.el9_2.2.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791820273.json"}},{"package":{"name":"python3-libs","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3-libs?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.16-1.el9_2.2.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791820273.json"}},{"package":{"name":"python3-test","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3-test?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.16-1.el9_2.2.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791820273.json"}},{"package":{"name":"python3-tkinter","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3-tkinter?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.16-1.el9_2.2.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791820273.json"}}],"schema_version":"1.9.0"}