[SECURITY] [DSA 3474-1] libgcrypt20 security update

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Debian Security Advisory DSA-3474-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
February 12, 2016                     https://www.debian.org/security/faq
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Package        : libgcrypt20
CVE ID         : CVE-2015-7511

Daniel Genkin, Lev Pachmanov, Itamar Pipman and Eran Tromer discovered
that the ECDH secret decryption keys in applications using the
libgcrypt20 library could be leaked via a side-channel attack.

See https://www.cs.tau.ac.IL/~tromer/ecdh/ for details.

For the stable distribution (jessie), this problem has been fixed in
version 1.6.3-2+deb8u1.

For the unstable distribution (sid), this problem has been fixed in
version 1.6.5-2.

We recommend that you upgrade your libgcrypt20 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/