CVE-2007-3409

7.5 HIGH 3% exploit odds No fix listed

What it is

Net::DNS before 0.60, a Perl module, allows remote attackers to cause a denial of service (stack consumption) via a malformed compressed DNS packet with self-referencing pointers, which triggers an infinite loop.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 3.5% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2007-06-26 18:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:41 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 3.5% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2007-06-26 18:30 UTC
Last modified: 2026-06-16 22:41 UTC
Exploit probability: 3.5% · EPSS, next 30 days
Weakness: CWE-674
Record status: Modified

Affected

net-dns net\ < 0.60
Debian Linux 3.1
Debian Linux 4.0
Canonical Ubuntu Linux 6.06
Canonical Ubuntu Linux 6.10

Attack profile CVSS 3.1 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Is it in your code?

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References

NVD record · CVE.org record