{"id":"CLSA-2026-1777998709","summary":"python2: Fix of 3 CVEs","details":"- CVE-2025-8194: validate that tarfile member offsets are non-negative to\n  prevent infinite loop / DoS during parsing of malicious tar archives\n- CVE-2026-4519: reject URLs with leading dashes in webbrowser.open() to\n  prevent injection of command-line options into spawned browser process\n- CVE-2026-4786: fix bypass of CVE-2026-4519 check via %action substitution\n  in UnixBrowser.open() that allowed dash-prefixed URLs through","modified":"2026-05-27T11:18:31.790961311Z","published":"2026-05-05T16:31:54Z","upstream":["CVE-2025-8194","CVE-2026-4519","CVE-2026-4786"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2026-1777998709.html"}],"affected":[{"package":{"name":"python2","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/python2?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-7.module_el8.5.0+2391+7f8635d8.tuxcare.els21"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1777998709.json"}},{"package":{"name":"python2-debug","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/python2-debug?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-7.module_el8.5.0+2391+7f8635d8.tuxcare.els21"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1777998709.json"}},{"package":{"name":"python2-devel","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/python2-devel?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-7.module_el8.5.0+2391+7f8635d8.tuxcare.els21"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1777998709.json"}},{"package":{"name":"python2-libs","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/python2-libs?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-7.module_el8.5.0+2391+7f8635d8.tuxcare.els21"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1777998709.json"}},{"package":{"name":"python2-test","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/python2-test?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-7.module_el8.5.0+2391+7f8635d8.tuxcare.els21"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1777998709.json"}},{"package":{"name":"python2-tkinter","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/python2-tkinter?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-7.module_el8.5.0+2391+7f8635d8.tuxcare.els21"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1777998709.json"}},{"package":{"name":"python2-tools","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/python2-tools?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-7.module_el8.5.0+2391+7f8635d8.tuxcare.els21"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1777998709.json"}}],"schema_version":"1.7.5"}