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Firebird CVE-2025-54989

MEDIUM
NULL Pointer Dereference (CWE-476)
2025-08-15 security-advisories@github.com
Denial Of Service Null Pointer Dereference Firebird Suse
5.3
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SUSE
MEDIUM
qualitative

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 19:07 vuln.today
Patch released
Mar 28, 2026 - 19:07 nvd
Patch available
CVE Published
Aug 15, 2025 - 15:15 nvd
MEDIUM 5.3

DescriptionGitHub Advisory

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.

AnalysisAI

Firebird is a relational database. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Technical ContextAI

This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. 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 products include: Firebirdsql Firebird.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.

Vendor StatusVendor

SUSE

Severity: Medium
Product Status
SUSE Linux Enterprise Module for Package Hub 15 SP6 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP7 Fixed
openSUSE Leap 15.6 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP7 Fixed
openSUSE Leap 15.6 Fixed

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CVE-2025-54989 vulnerability details – vuln.today
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