CVE-2007-3527

6.8 MEDIUM 2% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited over the network with a login. High risk of service disruption.
Exploit odds: 1.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2007-07-03 18:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:42 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.6% in the next 30 days (EPSS).
Severity: 6.8 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2007-07-03 18:30 UTC
Last modified: 2026-06-16 22:42 UTC
Exploit probability: 1.6% · EPSS, next 30 days
Record status: Modified

Affected

Firebirdsql Firebird 2.0.0

Attack profile CVSS 2.0 · 6.8

Attack vector: Network
Complexity: Low
Authentication: Single
Confidentiality: None
Integrity: None
Availability: Complete

Raw vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2007-3527.md and follow it. Check whether this project is affected by CVE-2007-3527. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record