Package        : mercurial
Version        : 2.2.2-4+deb7u4
CVE ID         : CVE-2017-9462
Debian Bug     : 861243

In Mercurial before 4.1.3, "hg serve --stdio" allows remote
authenticated users to launch the Python debugger, and consequently
execute arbitrary code, by using --debugger as a repository name.

For Debian 7 "Wheezy", these problems have been fixed in version

We recommend that you upgrade your mercurial packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: