{"id":"CLSA-2026-1778087756","summary":"python3: Fix of 2 CVEs","details":"- CVE-2026-4519: reject leading dashes in webbrowser URLs to block\n  command-line option injection via webbrowser.open()\n- CVE-2026-4786: validate the post-substitution URL in webbrowser\n  UnixBrowser.open so that \"%action\" cannot smuggle a dash-prefixed\n  flag past the CVE-2026-4519 dash-prefix check","modified":"2026-05-27T11:18:31.605100273Z","published":"2026-05-06T17:16:04Z","upstream":["CVE-2026-4519","CVE-2026-4786"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2026-1778087756.html"}],"affected":[{"package":{"name":"platform-python","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/platform-python?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-42.el8.tuxcare.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778087756.json"}},{"package":{"name":"platform-python-debug","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/platform-python-debug?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-42.el8.tuxcare.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778087756.json"}},{"package":{"name":"platform-python-devel","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/platform-python-devel?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-42.el8.tuxcare.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778087756.json"}},{"package":{"name":"python3-devel","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/python3-devel?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-42.el8.tuxcare.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778087756.json"}},{"package":{"name":"python3-idle","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/python3-idle?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-42.el8.tuxcare.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778087756.json"}},{"package":{"name":"python3-libs","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/python3-libs?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-42.el8.tuxcare.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778087756.json"}},{"package":{"name":"python3-test","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/python3-test?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-42.el8.tuxcare.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778087756.json"}},{"package":{"name":"python3-tkinter","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/python3-tkinter?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-42.el8.tuxcare.els19"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778087756.json"}}],"schema_version":"1.7.5"}