{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-42764/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-10T07:47:58.940Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-42764","@id":"https://www.cve.org/CVERecord?id=CVE-2026-42764","description":"Issue summary: Receiving a QUIC initial packet with an invalid token may\ntrigger a NULL pointer dereference in the OpenSSL QUIC server with\naddress validation disabled.\n\nImpact summary: NULL pointer dereference typically causes abnormal termination\nof the affected QUIC server process and a Denial of Service.\n\nIf the address validation is disabled in the OpenSSL QUIC server\nimplementation, an attacker can crash the server by sending an initial\npacket with an invalid or expired token.\n\nBy default,"},"products":[{"@id":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 3.5.7, 3.6.3, 4.0.1.","timestamp":"2026-06-10T07:47:58.940Z"}]}