{"id":"CVE-2026-1584","summary":"Gnutls: gnutls: remote denial of service via crafted clienthello with invalid psk binder","details":"A flaw was found in gnutls. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted ClientHello message with an invalid Pre-Shared Key (PSK) binder value during the TLS handshake. This can lead to a NULL pointer dereference, causing the server to crash and resulting in a remote Denial of Service (DoS) condition.","modified":"2026-09-30T03:49:14.385794780Z","published":"2026-04-09T18:00:21.184Z","related":["openSUSE-SU-2026:10177-1"],"database_specific":{"cna_assigner":"redhat","cwe_ids":["CWE-476"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1584.json"},"references":[{"type":"WEB","url":"https://access.redhat.com/downloads/content/package-browser/"},{"type":"WEB","url":"https://catalog.redhat.com/software/containers/"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1584.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:7477"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-1584"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1584.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1584"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2435258"},{"type":"PACKAGE","url":"https://gitlab.com/gnutls/gnutls"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gnutls/gnutls","events":[{"introduced":"0"},{"last_affected":"0"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"0"}],"source":"AFFECTED_FIELD"}}],"versions":["0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-1584.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}