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high advisory

Firebird Server Denial-of-Service via Out-of-Order Authentication Segments

An unauthenticated attacker can crash Firebird database servers prior to versions 5.0.4, 4.0.7 and 3.0.14 by sending out-of-order CNCT_specific_data segments during the authentication process, leading to a denial-of-service condition.

Firebird cve dos
2r 1t 1c
medium advisory

Firebird Database Server Denial-of-Service Vulnerability (CVE-2026-28212)

An unauthenticated attacker can cause a denial-of-service condition on vulnerable Firebird database servers by sending a specially crafted network packet that triggers a null pointer dereference.

Firebird denial-of-service cve-2026-28212
2r 1t 1c