{"id":"CLSA-2026-1791569661","summary":"Fix CVE(s): CVE-2026-19445, CVE-2026-4786","details":"   * SECURITY UPDATE: use-after-free in server-side SSL SNI callbacks\n     - debian/patches/CVE-2026-19445.patch: stop using a borrowed SSLContext\n       callback argument, retain the current context and callback during SNI\n       dispatch, and unregister the callback before context teardown; add\n       regression tests for callback exceptions and TLS 1.3 HelloRetryRequest\n       redispatch\n     - CVE-2026-19445","modified":"2026-10-26T09:32:05.627129324Z","published":"2026-10-19T00:59:20Z","upstream":["CVE-2026-19445","CVE-2026-4786"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2026-1791569661.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19445"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4786"}],"affected":[{"package":{"name":"idle-python2.7","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/idle-python2.7?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-1~20.04.7+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1791569661.json"}},{"package":{"name":"libpython2.7","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libpython2.7?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-1~20.04.7+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1791569661.json"}},{"package":{"name":"libpython2.7-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libpython2.7-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-1~20.04.7+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1791569661.json"}},{"package":{"name":"libpython2.7-minimal","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libpython2.7-minimal?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-1~20.04.7+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1791569661.json"}},{"package":{"name":"libpython2.7-stdlib","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libpython2.7-stdlib?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-1~20.04.7+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1791569661.json"}},{"package":{"name":"libpython2.7-testsuite","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libpython2.7-testsuite?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-1~20.04.7+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1791569661.json"}},{"package":{"name":"python2.7","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/python2.7?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-1~20.04.7+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1791569661.json"}},{"package":{"name":"python2.7-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/python2.7-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-1~20.04.7+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1791569661.json"}},{"package":{"name":"python2.7-doc","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/python2.7-doc?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-1~20.04.7+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1791569661.json"}},{"package":{"name":"python2.7-examples","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/python2.7-examples?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-1~20.04.7+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1791569661.json"}},{"package":{"name":"python2.7-minimal","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/python2.7-minimal?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-1~20.04.7+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1791569661.json"}}],"schema_version":"1.9.0"}