{"id":"CLSA-2026-1791921187","summary":"python3.11: Fix of 2 CVEs","details":"- CVE-2026-6879: xml.etree.ElementPath: avoid quadratic behaviour in XPath index\n  predicates ([1], [last()], [last()-N])\n- CVE-2026-18503: fix quadratic time in csv.Sniffer for quoted fields\n- Backport upstream 3.11 fixes the CVE-2026-18503 fix relies on or completes:\n  correct matching of possessive quantifiers in the re engine (gh-106052,\n  gh-100061) and super-linear doublequote detection in csv.Sniffer (gh-109638)","modified":"2026-10-26T09:43:11.991865714Z","published":"2026-10-13T19:53:19Z","upstream":["CVE-2026-18503","CVE-2026-6879"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1791921187.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18503"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6879"}],"affected":[{"package":{"name":"python3.11","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3.11?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.2-2.el9_2.2.tuxcare.els39"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791921187.json"}},{"package":{"name":"python3.11-debug","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3.11-debug?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.2-2.el9_2.2.tuxcare.els39"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791921187.json"}},{"package":{"name":"python3.11-devel","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3.11-devel?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.2-2.el9_2.2.tuxcare.els39"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791921187.json"}},{"package":{"name":"python3.11-idle","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3.11-idle?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.2-2.el9_2.2.tuxcare.els39"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791921187.json"}},{"package":{"name":"python3.11-libs","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3.11-libs?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.2-2.el9_2.2.tuxcare.els39"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791921187.json"}},{"package":{"name":"python3.11-test","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3.11-test?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.2-2.el9_2.2.tuxcare.els39"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791921187.json"}},{"package":{"name":"python3.11-tkinter","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3.11-tkinter?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.2-2.el9_2.2.tuxcare.els39"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791921187.json"}}],"schema_version":"1.9.0"}