Antonio Martin discovered a denial-of-service vulnerability in
OpenSSL, an implementation of TLS and related protocols. A malicious
client can cause the DTLS server implementation to crash. Regular,
TCP-based TLS is not affected by this issue.
For the oldstable distribution (lenny), this problem has been fixed in
version 0.9.8g-15+lenny16.
For the stable distribution (squeeze), this problem has been fixed in
version 0.9.8o-4squeeze7.
For the testing distribution (wheezy) and the unstable distribution
(sid), this problem has been fixed in version 1.0.0g-1.
We recommend that you upgrade your openssl packages.