Debian Security Advisory 1690-1 - Two denial of service conditions were discovered in avahi, a Multicast DNS implementation.
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Ubuntu Security Notice USN-696-1 - Emanuele Aina discovered that Avahi did not properly validate it's input when processing data over D-Bus. A local attacker could send an empty TXT message via D-Bus and cause a denial of service (failed assertion). This issue only affected Ubuntu 6.06 LTS. Hugo Dias discovered that Avahi did not properly verify it's input when processing mDNS packets. A remote attacker could send a crafted mDNS packet and cause a denial of service (assertion failure).
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Mandriva Linux Security Advisory - The Avahi daemon in 0.6.20 and previous allows attackers to cause a denial of service via empty TXT data over D-Bus, which triggers an assert error.
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