7.9

CVE-2025-65104: firebirdsql firebird

CVSS: 7.9v3.1HighAnalyzed
AliasesUBUNTU-CVE-2025-65104DEBIAN-CVE-2025-65104
Published 17-04-2026Last modified 17-04-2026
Open JSON

Vulnerability summary

CVE-2025-65104 is a high (CVSS 7.9) vulnerability in firebirdsql firebird. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.6% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.9/10
010
High · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-04-2026
    PublishedVulnerability first disclosed.
  2. 17-04-2026
    Last modifiedVulnerability information updated.

Description

Firebird is an open-source relational database management system. In versions FB3 of the client library placed incorrect data length values into XSQLDA fields when communicating with FB4 or higher servers, resulting in an information leak. This issue is fixed by upgrading to the FB4 client or higher.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

0.00 pp

From 0.18% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.18%

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

Ubuntu2 products
  • firebird3.0All versions (No fix recorded)
  • firebird4.0All versions (No fix recorded)
Debian1 product
  • firebird3.0All versions (No fix recorded) | < 3.0.14.ds7-1
Firebirdsql1 product

3 vendors · 4 products

References

5 links