CVE-2026-33337 | FirebirdSQL Firebird up to 3.0.13/4.0.6/5.0.3 Packet xdr_datum buffer overflow (GHSA-89mq-229g-x47p / Nessus ID 307397)
A vulnerability identified as critical has been detected in FirebirdSQL Firebird up to 3.0.13/4.0.6/5.0.3. The impacted element is the function xdr_datum of the component Packet Handler. Performing a manipulation results in buffer overflow.
This vulnerability is identified as CVE-2026-33337. The attack can be initiated remotely. There is not any exploit available.
You should upgrade the affected component.