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CVE-2006-6870

15
FAUCET Score

CVE-2006-6870 describes a denial-of-service vulnerability in Avahi versions prior to 0.6.16, specifically within the consume_labels function in avahi-core/dns.c. An attacker can exploit this by sending a specially crafted compressed DNS response containing a self-referencing label, leading to an infinite loop. This vulnerability has a CVSS score of 5.0, indicating a medium severity with a network-based attack vector, low complexity, and potential for partial availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.6.7CPE matchmatch criteria
cpe:2.3:a:avahi:avahi:0.6.7:*:*:*:*:*:*:*
0.6.8CPE matchmatch criteria
cpe:2.3:a:avahi:avahi:0.6.8:*:*:*:*:*:*:*
0.6.9CPE matchmatch criteria
cpe:2.3:a:avahi:avahi:0.6.9:*:*:*:*:*:*:*
0.6.10CPE matchmatch criteria
cpe:2.3:a:avahi:avahi:0.6.10:*:*:*:*:*:*:*
0.6.11CPE matchmatch criteria
cpe:2.3:a:avahi:avahi:0.6.11:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.30%
Probability of exploitation in next 30 days
EPSS Percentile
81.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0230 is in the 72nd percentile among its peer group of 23,725 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

fedoranews.org / cms/node/2362
fedoranews.org / cms/node/2408
secunia.com / advisories/23628
secunia.com / advisories/23644
secunia.com / advisories/23660
secunia.com / advisories/23673
secunia.com / advisories/23782
secunia.com / advisories/24995
avahi.org / changeset/1340
avahi.org
Patch
avahi.org / ticket/84
Patch
mandriva.com / security/advisories
novell.com / linux/security/advisories/2007_007_suse.html
securityfocus.com / bid/21881
ubuntu.com / usn/usn-402-1
vupen.com / english/advisories/2007/0071