CVE-2025-54989
August 15, 2025
Firebird is a relational database. Prior to versions 3.0.13, 4.0.6, and 5.0.3, there is an XDR message parsing NULL pointer dereference denial-of-service vulnerability in Firebird. This specific flaw exists within the parsing of xdr message from client. It leads to NULL pointer dereference and DoS. This issue has been patched in versions 3.0.13, 4.0.6, and 5.0.3.
Affected Packages
https://github.com/FirebirdSQL/firebird.git (GITHUB):
Affected version(s) >=v5.0.0 <v5.0.3Fix Suggestion:
Update to version v5.0.3https://github.com/FirebirdSQL/firebird.git (GITHUB):
Affected version(s) >=v4.0.0 <v4.0.6Fix Suggestion:
Update to version v4.0.6https://github.com/FirebirdSQL/firebird.git (GITHUB):
Affected version(s) >=v3.0.8 <v3.0.13Fix Suggestion:
Update to version v3.0.13Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
NULL Pointer Dereference
EPSS
Base Score:
0.14
