{"id":"CLSA-2026-1791302296","summary":"Fix CVE(s): CVE-2026-63387","details":"   * SECURITY UPDATE: off-by-one stack overflow in dnsname_to_labels()\n     - debian/patches/CVE-2026-63387.patch: fail instead of writing the\n       terminating zero label past the end of the buffer in evdns.c\n     - CVE-2026-63387","modified":"2026-10-26T09:32:04.330001705Z","published":"2026-10-06T15:58:26Z","upstream":["CVE-2026-63387"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1791302296.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63387"}],"affected":[{"package":{"name":"libevent-2.1-6","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libevent-2.1-6?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-stable-4build1+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791302296.json"}},{"package":{"name":"libevent-core-2.1-6","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libevent-core-2.1-6?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-stable-4build1+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791302296.json"}},{"package":{"name":"libevent-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libevent-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-stable-4build1+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791302296.json"}},{"package":{"name":"libevent-extra-2.1-6","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libevent-extra-2.1-6?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-stable-4build1+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791302296.json"}},{"package":{"name":"libevent-openssl-2.1-6","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libevent-openssl-2.1-6?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-stable-4build1+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791302296.json"}},{"package":{"name":"libevent-pthreads-2.1-6","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libevent-pthreads-2.1-6?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-stable-4build1+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791302296.json"}}],"schema_version":"1.9.0"}