CVE-2006-6870

CVE-2006-6870 is a medium-severity vulnerability in Avahi with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to cause a denial of service (infinite loop) via a crafted compressed DNS response with a label that points to itself.

Frequently asked questions

What is CVE-2006-6870?
The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to cause a denial of service (infinite loop) via a crafted compressed DNS response with a label that points to itself.
How severe is CVE-2006-6870?
CVE-2006-6870 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-6870 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6870?
CVE-2006-6870 primarily affects Avahi. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-6870?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6870 published?
CVE-2006-6870 was published on 2006-12-31 and last updated on 2026-06-16.

References

Affected products (9)

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