How severe is CVE-2007-3527?

CVE-2007-3527 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2007-3527 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3527?

CVE-2007-3527 affects Firebirdsql Firebird. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-3527?

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

When was CVE-2007-3527 published?

CVE-2007-3527 was published on 2007-07-03 and last updated on 2026-06-16.

CVE-2007-3527

CVE-2007-3527 is a medium-severity vulnerability in Firebirdsql Firebird with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Firebirdsql Firebird
Published: 2007-07-03
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2007-3527?: 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.
How severe is CVE-2007-3527?: CVE-2007-3527 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2007-3527 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3527?: CVE-2007-3527 affects Firebirdsql Firebird. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-3527?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-3527 published?: CVE-2007-3527 was published on 2007-07-03 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:firebirdsql:firebird:2.0.0:*:*:*:*:*:*:*

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