CVE-2007-3372 Denial of service in n/a

What is CVE-2007-3372?

CVE-2007-3372 is a low-severity denial of service vulnerability in n/a, published on 22 Jun 2007. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Avahi daemon in Avahi before 0.6.20 allows attackers to cause a denial of service (exit) via empty TXT data over D-Bus, which triggers an assert error.

Which versions are affected by CVE-2007-3372?

It affects 1 product.

Products include Avahi Avahi.

How do I fix CVE-2007-3372?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2007-3372 being exploited?

There is no known exploitation of CVE-2007-3372 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2017-6519 Denial of service in n/a Critical 9.1
• CVE-2021-26720 Path traversal in n/a High 7.8
• CVE-2026-24401 Avahi has Uncontrolled Recursion in lookup_handle_cname function Medium 6.5
• CVE-2025-68468 Avahi has a reachable assertion in lookup_multicast_callback Medium 6.5
• CVE-2025-68471 Avahi has a reachable assertion in lookup_start Medium 6.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2007-3372, GHSA-w53f-m8p6-x7g6.