Vulnerability in Firebirdsql Firebird
CVE-2025-24975
Firebird is a relational database. Prior to snapshot versions 4.0.6.3183, 5.0.2.1610, and 6.0.0.609, Firebird is vulnerable if ExtConnPoolSize is not set equal to 0. If connections stored in ExtConnPool are not verified for presence and su…
EPSS: 0.001 (33.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L.
Affected products
- Firebirdsql Firebird — versions < 6.0.0.609, < 5.0.2.1610, < 4.0.6.3183
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-fx9r-rj68-7p69 (x_refsource_CONFIRM)
- https://github.com/FirebirdSQL/firebird/issues/8429 (x_refsource_MISC)
- https://github.com/FirebirdSQL/firebird/commit/658abd20449f72097fbbce57e8e6ae42ff837fb6 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-24975?
- CVE-2025-24975 is a high-severity vulnerability in Firebirdsql Firebird, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.1/10. Published 2025-08-15.
- How severe is CVE-2025-24975?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2025-24975 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.