7.5

CVE-2025-54989: firebirdsql firebird NULL Pointer Dereference

CVSS: 7.5v3.1HighModified
AliasesSUSE-SU-2025:02991-1UBUNTU-CVE-2025-54989DEBIAN-CVE-2025-54989
Published 15-08-2025Last modified 03-11-2025

Vulnerability summary

CVE-2025-54989 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in firebirdsql firebird. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.60%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 15-08-2025
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

+0.05 pp

From 0.55% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.60%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
  • firebird3.0< 3.0.11.33637.ds4-2+deb12u1 | < 3.0.12.ds7-13+deb13u1 | < 3.0.13.ds7-1 | < 3.0.7.33374.ds4-2+deb11u1
  • firebird4.0< 4.0.5.3140.ds6-17+deb13u1 | < 4.0.6.3221.ds6-1
Suse2 products
  • firebird&distro=SUSE Linux Enterprise Module for Package Hub 15 SP6< 3.0.4.33054-150200.3.3.1
  • firebird&distro=SUSE Linux Enterprise Module for Package Hub 15 SP7< 3.0.4.33054-150200.3.3.1
Ubuntu2 products
  • firebird3.0All versions (No fix recorded)
  • firebird4.0All versions (No fix recorded)
Firebirdsql1 product
  • firebird< 4.0.6 | < 5.0.3 | < 3.0.13 | ≥ 4.0.0, < 4.0.6 | ≥ 5.0.0, < 5.0.3
Opensuse1 product
  • firebird&distro=openSUSE Leap 15.6< 3.0.4.33054-150200.3.3.1

5 vendors · 8 products

References

10 links