CVE-2025-54989

Firebird XDR Message Parsing NULL Pointer Dereference Denial-of-Service Vulnerability

Published Aug 15, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4282-1 firebird3.0 security update
Debian DSA Debian DSA DSA-5992-1 firebird4.0 security update
EUVD EUVD EUVD-2025-25032 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.
History
Type Values Removed Values Added
CPEs cpe:2.3:a:firebirdsql:firebird:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Firebirdsql
Firebirdsql firebird
Vendors & Products Firebirdsql
Firebirdsql firebird
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Firebird XDR Message Parsing NULL Pointer Dereference Denial-of-Service Vulnerability
Weaknesses CWE-476
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 3, 2025, 6:13 PM
Reserved
Aug 4, 2025, 5:34 PM
Status
Modified
Published
Aug 15, 2025, 3:15 PM
Modified
Jun 17, 2026, 9:41 AM