CVE-2008-5081

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 59.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2008-12-17 · updated 2026-06-16
Weakness: CWE-399

Description

The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in Avahi before 0.6.24 allows remote attackers to cause a denial of service (crash) via a crafted mDNS packet with a source port of 0, which triggers an assertion failure.

Affected products

avahi: through 0.6.23; 0.1, 0.2, 0.3, 0.4, 0.5, 0.5.1 (+23)

References

http://avahi.org/milestone/Avahi%200.6.24
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html
http://secunia.com/advisories/33153
http://secunia.com/advisories/33220
http://secunia.com/advisories/33279
http://secunia.com/advisories/33475
http://security.gentoo.org/glsa/glsa-200901-11.xml
http://www.debian.org/security/2008/dsa-1690
http://www.openwall.com/lists/oss-security/2008/12/14/1
http://www.securityfocus.com/bid/32825
http://www.ubuntu.com/usn/usn-696-1
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9987

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