{"id":"CLSA-2026-1778934026","summary":"Fix CVE(s): CVE-2026-42010","details":"   * SECURITY UPDATE: Authentication bypass via NUL-byte truncation in RSA-PSK username lookup\n     - debian/patches/CVE-2026-42010.patch: replace strlen(info-\u003eusername) with\n       info-\u003eusername_len in _gnutls_proc_rsa_psk_client_kx in lib/auth/rsa_psk.c\n       to prevent NUL-byte truncation allowing username matching with truncated entries\n     - CVE-2026-42010","modified":"2026-06-04T09:47:38.186480550Z","published":"2026-05-16T12:20:31Z","upstream":["CVE-2026-42010"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2026-1778934026.html"}],"affected":[{"package":{"name":"gnutls-bin","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/gnutls-bin?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.13-2ubuntu1.12+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778934026.json"}},{"package":{"name":"gnutls-doc","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/gnutls-doc?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.13-2ubuntu1.12+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778934026.json"}},{"package":{"name":"guile-gnutls","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/guile-gnutls?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.13-2ubuntu1.12+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778934026.json"}},{"package":{"name":"libgnutls-dane0","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libgnutls-dane0?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.13-2ubuntu1.12+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778934026.json"}},{"package":{"name":"libgnutls-openssl27","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libgnutls-openssl27?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.13-2ubuntu1.12+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778934026.json"}},{"package":{"name":"libgnutls28-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libgnutls28-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.13-2ubuntu1.12+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778934026.json"}},{"package":{"name":"libgnutls30","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libgnutls30?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.13-2ubuntu1.12+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778934026.json"}},{"package":{"name":"libgnutlsxx28","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libgnutlsxx28?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.13-2ubuntu1.12+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778934026.json"}}],"schema_version":"1.7.5"}