{"id":"CLSA-2026-1791967190","summary":"python2: Fix of CVE-2026-19445","details":"- CVE-2026-19445: fix a use-after-free in the SNI servername callback by taking\n  the SSLContext from the live socket, with a strong reference, instead of the\n  borrowed pointer registered on the SSL_CTX, and by unregistering the callback\n  in context_dealloc, so a context released after the callback has switched the\n  connection to another context can no longer be reached through the\n  connection's session_ctx","modified":"2026-10-26T09:31:38.601486135Z","published":"2026-10-14T10:05:51Z","upstream":["CVE-2026-19445"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos-stream8els/CLSA-2026-1791967190.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19445"}],"affected":[{"package":{"name":"python2","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/python2?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-17.module_el8+2680+c9cbfe57.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791967190.json"}},{"package":{"name":"python2-debug","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/python2-debug?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-17.module_el8+2680+c9cbfe57.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791967190.json"}},{"package":{"name":"python2-devel","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/python2-devel?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-17.module_el8+2680+c9cbfe57.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791967190.json"}},{"package":{"name":"python2-libs","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/python2-libs?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-17.module_el8+2680+c9cbfe57.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791967190.json"}},{"package":{"name":"python2-test","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/python2-test?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-17.module_el8+2680+c9cbfe57.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791967190.json"}},{"package":{"name":"python2-tkinter","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/python2-tkinter?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-17.module_el8+2680+c9cbfe57.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791967190.json"}},{"package":{"name":"python2-tools","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/python2-tools?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-17.module_el8+2680+c9cbfe57.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791967190.json"}}],"schema_version":"1.9.0"}