{"id":"CLSA-2026-1779886202","summary":"python3.9: Fix of 4 CVEs","details":"- CVE-2026-0672: reject control characters in http.cookies.Morsel keys/values\n- CVE-2026-3644: extend control-character rejection to Morsel.update(), |=, and __setstate__\n- CVE-2026-4224: avoid unbound C recursion in pyexpat conv_content_model for deeply nested DTDs\n- CVE-2026-1502: reject CR/LF in HTTP tunnel request headers and tunnel host","modified":"2026-10-26T09:43:50.839805392Z","published":"2026-05-27T14:06:00Z","upstream":["CVE-2026-0672","CVE-2026-1502","CVE-2026-3644","CVE-2026-4224"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1779886202.html"}],"affected":[{"package":{"name":"python-unversioned-command","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python-unversioned-command?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.21-2.el9_6.2.tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779886202.json"}},{"package":{"name":"python3","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.21-2.el9_6.2.tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779886202.json"}},{"package":{"name":"python3-debug","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3-debug?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.21-2.el9_6.2.tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779886202.json"}},{"package":{"name":"python3-devel","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3-devel?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.21-2.el9_6.2.tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779886202.json"}},{"package":{"name":"python3-idle","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3-idle?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.21-2.el9_6.2.tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779886202.json"}},{"package":{"name":"python3-libs","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3-libs?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.21-2.el9_6.2.tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779886202.json"}},{"package":{"name":"python3-test","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3-test?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.21-2.el9_6.2.tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779886202.json"}},{"package":{"name":"python3-tkinter","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3-tkinter?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.21-2.el9_6.2.tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779886202.json"}}],"schema_version":"1.9.0"}