Is CVE-2007-3527 being actively exploited?

CVE-2007-3527 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-3527?

CVE-2007-3527 has a CVSS 2.0 base score of 6.8 (MEDIUM).

CVE-2007-3527

MEDIUM · CVSS 6.8EPSS 1.6%EU EUVD

Integer overflow in Firebird 2.0.0 allows remote authenticated users to cause a denial of service (CPU consumption) via certain database operations with multi-byte character sets that trigger an attempt to use the value 65536 for a 16-bit integer, which is treated as 0 and causes an infinite loop on zero-length data.

Key facts

CVSS score: 6.8 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:S/C:N/I:N/A:C
EPSS score: 1.6% (75th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-3511)
Published: July 3, 2007
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-3511 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

firebirdsql / firebird

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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