Debian: DSA-3773-1 Critical: OpenSSL Timing Attack, DoS Threats

Several vulnerabilities were discovered in OpenSSL:

CVE-2016-7056

A local timing attack was discovered against ECDSA P-256.

CVE-2016-8610

It was discovered that no limit was imposed on alert packets during
an SSL handshake.

CVE-2017-3731

Robert Swiecki discovered that the RC4-MD5 cipher when running on
32 bit systems could be forced into an out-of-bounds read, resulting
in denial of service.

For the stable distribution (jessie), these problems have been fixed in
version 1.0.1t-1+deb8u6.

For the unstable distribution (sid), these problems have been fixed in
version 1.1.0d-1 of the openssl source package and in version 1.0.2k-1
of the openssl1.0 source package.

We recommend that you upgrade your openssl packages.

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