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Date: Sun, 14 Dec 2008 11:32:26 +0100
From: Tomas Hoger <>
To: OSS Security <>
Subject: Avahi daemon DoS (CVE-2008-5081)


New avahi upstream release 0.6.24 was released on Friday.

Security issue mentioned in the DoS flaw reported by Hugo Dias.
Crafted mDNS packet with source port 0 can cause avahi-daemon to
abort() due to failed assertion assert(port > 0); in
originates_from_local_legacy_unicast_socket() function in

Upstream commit:;a=commitdiff;h=3093047f1aa36bed8a37fa79004bf0ee287929f4

CVE CVE-2008-5081 was assigned to this issue.

Tomas Hoger / Red Hat Security Response Team

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