Debian DSA-3542-1 Critical: Mercurial Remote Code Threats Identified

CVE-2016-3068

Blake Burkhart discovered that Mercurial allows URLs for Git
subrepositories that could result in arbitrary code execution on
clone.

CVE-2016-3069

Blake Burkhart discovered that Mercurial allows arbitrary code
execution when converting Git repositories with specially
crafted names.

CVE-2016-3630

It was discovered that Mercurial does not properly perform bounds-
checking in its binary delta decoder, which may be exploitable for
remote code execution via clone, push or pull.

For the oldstable distribution (wheezy), these problems have been fixed
in version 2.2.2-4+deb7u2.

For the stable distribution (jessie), these problems have been fixed in
version 3.1.2-2+deb8u2.

For the unstable distribution (sid), these problems have been fixed in
version 3.7.3-1.

We recommend that you upgrade your mercurial packages.

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