{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-11774/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-12T15:14:14.593Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-11774","@id":"https://www.cve.org/CVERecord?id=CVE-2026-11774","description":"An integer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), adding sizeof(uint32_t) to a crafted SASL packet length prefix of 0xFFFFFFFC causes unsigned wraparound to zero, bypassing the nsslapd-maxsasliosize limit and leading to a heap buffer overflow of up to approximately 2 megabytes of attacker-controlled data. After a successful SASL bind with integrity protection (SSF > 0), a remote attacker can cause a Denial of Service (DoS) "},"products":[{"@id":"cpe:2.3:a:red_hat:red_hat_directory_server_11:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:red_hat:red_hat_directory_server_11:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:red_hat:red_hat_directory_server_12:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:red_hat:red_hat_directory_server_12:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:red_hat:red_hat_directory_server_13:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:red_hat:red_hat_directory_server_13:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:red_hat:red_hat_enterprise_linux_10:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:red_hat:red_hat_enterprise_linux_10:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:red_hat:red_hat_enterprise_linux_6:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:red_hat:red_hat_enterprise_linux_6:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:red_hat:red_hat_enterprise_linux_7:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:red_hat:red_hat_enterprise_linux_7:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:red_hat:red_hat_enterprise_linux_8:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:red_hat:red_hat_enterprise_linux_8:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:red_hat:red_hat_enterprise_linux_9:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:red_hat:red_hat_enterprise_linux_9:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"No fixed version is published yet; monitor the upstream advisory.","timestamp":"2026-06-12T15:14:14.593Z"}]}