{"id":"CLSA-2026-1774261018","summary":"python3.9: Fix of 3 CVEs","details":"- CVE-2026-0865: Prevent HTTP header injection: validate and reject user-\n  controlled header names and values containing newlines.\n- CVE-2025-15367: Reject control characters in POP3 commands\n- CVE-2026-1299: Reject incorrectly folded LiteralHeader values and quote\n  newlines during BytesGenerator serialization; prevent header injection","modified":"2026-05-27T11:33:09.478497233Z","published":"2026-03-23T10:17:05Z","upstream":["CVE-2025-15367","CVE-2026-0865","CVE-2026-1299"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1774261018.html"}],"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.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1774261018.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.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1774261018.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.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1774261018.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.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1774261018.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.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1774261018.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.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1774261018.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.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1774261018.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.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1774261018.json"}}],"schema_version":"1.7.5"}