The following updates has been released for Debian GNU/Linux:

Debian GNU/Linux 7 LTS:
DLA 1223-1: thunderbird security update
DLA 1224-1: mercurial security update

Debian GNU/Linux 9:
DSA 4074-1: imagemagick security update

DLA 1223-1: thunderbird security update

Package : thunderbird
Version : 1:52.5.2-1~deb7u1
CVE ID : CVE-2017-7829 CVE-2017-7846 CVE-2017-7847 CVE-2017-7848

Multiple security issues have been found in the Mozilla Thunderbird mail
client including information leaks, unintended JavaScript execution and
sender address spoofing.

For Debian 7 "Wheezy", these problems have been fixed in version
1:52.5.2-1~deb7u1.

We recommend that you upgrade your thunderbird packages.

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

DLA 1224-1: mercurial security update

Package : mercurial
Version : 2.2.2-4+deb7u6
CVE ID : CVE-2017-17458


A vulnerability was found in the Mercurial version control system
which could lead to remote arbitrary code execution.

CVE-2017-17458

A specially malformed Mercurial repository could cause Git
subrepositories to run arbitrary code in the form of a
.git/hooks/post-update script checked into the parent repository.
Typical use of Mercurial prevents construction of such repositories,
but they can be created programmatically.

For Debian 7 "Wheezy", these problems have been fixed in version
2.2.2-4+deb7u6.

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: https://wiki.debian.org/LTS

DSA 4074-1: imagemagick security update

- -------------------------------------------------------------------------
Debian Security Advisory DSA-4074-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
December 28, 2017 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : imagemagick
CVE ID : CVE-2017-12877 CVE-2017-16546 CVE-2017-17499
CVE-2017-17504 CVE-2017-17879

This update fixes several vulnerabilities in imagemagick: Various memory
handling problems and cases of missing or incomplete input sanitising may
result in denial of service, memory disclosure or the execution of
arbitrary code if malformed image files are processed.

For the stable distribution (stretch), these problems have been fixed in
version 8:6.9.7.4+dfsg-11+deb9u4.

We recommend that you upgrade your imagemagick packages.

For the detailed security status of imagemagick please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/imagemagick

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/