{"id":"CLSA-2026-1791896121","summary":"python3: Fix of 2 CVEs","details":"- CVE-2026-11940: pass filter_function through TarFile.extract() so the hardlink-extraction fallback is filtered (prerequisite)\n- CVE-2026-11940: filter the symlink at the hardlink's own path so a hardlink to a deeper symlink cannot recreate it at a shallower path and escape the destination directory\n- CVE-2026-82049: resolve a hardlink's target with os.path.realpath() so extracting a hard link to a symlink cannot relocate that symlink and expose or modify files outside the destination","modified":"2026-10-26T09:31:43.802607207Z","published":"2026-10-17T13:02:45Z","upstream":["CVE-2026-11940","CVE-2026-82049"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos7els/CLSA-2026-1791896121.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11940"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82049"}],"affected":[{"package":{"name":"python3","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/python3?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-21.0.13.el7_9.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791896121.json"}},{"package":{"name":"python3-debug","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/python3-debug?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-21.0.13.el7_9.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791896121.json"}},{"package":{"name":"python3-devel","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/python3-devel?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-21.0.13.el7_9.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791896121.json"}},{"package":{"name":"python3-idle","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/python3-idle?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-21.0.13.el7_9.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791896121.json"}},{"package":{"name":"python3-libs","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/python3-libs?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-21.0.13.el7_9.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791896121.json"}},{"package":{"name":"python3-test","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/python3-test?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-21.0.13.el7_9.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791896121.json"}},{"package":{"name":"python3-tkinter","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/python3-tkinter?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.8-21.0.13.el7_9.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791896121.json"}}],"schema_version":"1.9.0"}