It was discovered that avahi, an implementation of the zeroconf protocol, can be crashed remotely by a single UDP packet, which may result in a denial of service.

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Debian Security Advisory DSA-2174-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
http://www.debian.org/security/                           Thijs Kinkhorst
February 26, 2011                      http://www.debian.org/security/faq
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Package        : avahi
Vulnerability  : denial of service
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2011-1002
Debian Bug     : 614785

It was discovered that avahi, an implementation of the zeroconf protocol,
can be crashed remotely by a single UDP packet, which may result in a
denial of service.

For the oldstable distribution (lenny), this problem has been fixed in
version 0.6.23-3lenny3.

For the stable distribution (squeeze), this problem has been fixed in
version 0.6.27-2+squeeze1.

For the testing (wheezy) and unstable distribution (sid), this problem
has been fixed in version 0.6.28-4.

We recommend that you upgrade your avahi packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

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