Integer overflow in Firebirdsql Firebird
CVE-2026-28214
Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the ClumpletReader::getClumpletSize() function can overflow the totalLength value when parsing a Wide type clumplet, causing an…
Vulnerability class: Integer Overflow
EPSS: 0.001 (22.0th percentile) — read the EPSS interpretation.
Affected products
- Firebirdsql Firebird — versions >= 3.0.0, < 3.0.14, >= 4.0.0, < 4.0.7, >= 5.0.0, < 5.0.4
Weakness classification (CWE)
References
- https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-7cq5-994r-jhrf (x_refsource_CONFIRM)
- https://github.com/FirebirdSQL/firebird/releases/tag/v3.0.14 (x_refsource_MISC)
- https://github.com/FirebirdSQL/firebird/releases/tag/v4.0.7 (x_refsource_MISC)
- https://github.com/FirebirdSQL/firebird/releases/tag/v5.0.4 (x_refsource_MISC)