See https://cs-people.bu.edu/tromer/ecdh/ for details.
For the oldstable distribution (wheezy), this problem has been fixed
in version 1.5.0-5+deb7u4.
We recommend that you upgrade your libgcrypt11 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/
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