How severe is CVE-2025-54989?

CVE-2025-54989 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-54989 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-54989?

CVE-2025-54989 affects Firebirdsql Firebird. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-54989?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-54989 have an EU (EUVD) identifier?

Yes. CVE-2025-54989 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25032.

When was CVE-2025-54989 published?

CVE-2025-54989 was published on 2025-08-15 and last updated on 2026-06-17.

CVE-2025-54989

CVE-2025-54989 is a medium-severity vulnerability in Firebirdsql Firebird with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25032
Weakness: CWE-476
Affected product: Firebirdsql Firebird
Published: 2025-08-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-54989?: 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.
How severe is CVE-2025-54989?: CVE-2025-54989 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-54989 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-54989?: CVE-2025-54989 affects Firebirdsql Firebird. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-54989?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-54989 have an EU (EUVD) identifier?: Yes. CVE-2025-54989 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25032.
When was CVE-2025-54989 published?: CVE-2025-54989 was published on 2025-08-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:firebirdsql:firebird:*:*:*:*:*:*:*:*

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