CVE-2025-54989

HIGH EPSS 39.6%
Published Aug 15, 202510mo ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Aug 15, 2025 10mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
39.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 3

VendorProductVersionRange
firebirdsqlfirebird* <3.0.13
firebirdsqlfirebird*≥4.0.0  –  <4.0.6
firebirdsqlfirebird*≥5.0.0  –  <5.0.3

References 4

  • github.com https://github.com/FirebirdSQL/firebird/commit/169da595f8693fc1a65a79c741724b1bc8db9f25
    Patch
  • github.com https://github.com/FirebirdSQL/firebird/issues/8554
    Issue Tracking
  • github.com https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-7qp6-hqxj-pjjp
    Third Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/08/msg00021.html

Remediation

  • github.com https://github.com/FirebirdSQL/firebird/commit/169da595f8693fc1a65a79c741724b1bc8db9f25
    Patch