Security Information

Debian takes security very seriously. We handle all security problems brought to our attention and ensure that they are corrected within a reasonable timeframe. Many advisories are coordinated with other free software vendors and are published the same day a vulnerability is made public and we also have a Security Audit team that reviews the archive looking for new or unfixed security bugs.

Experience has shown that security through obscurity does not work. Public disclosure allows for more rapid and better solutions to security problems. In that vein, this page addresses Debian's status with respect to various known security holes, which could potentially affect Debian.

Debian also participates in security standardization efforts: the Debian Security Advisories are CVE-Compatible (review the cross references) and Debian is represented in the Board of the Open Vulnerability Assessment Language project.

Keeping your Debian system secure

In order to receive the latest Debian security advisories, subscribe to the debian-security-announce mailing list.

You can use apt to easily get the latest security updates. This requires a line such as

deb stretch/updates main contrib non-free

in your /etc/apt/sources.list file. Then execute apt-get update && apt-get upgrade to download and apply the pending updates. The security archive is signed with the normal Debian archive signing keys.

For more information about security issues in Debian, please refer to the Security Team FAQ and a manual called Securing Debian.

Recent Advisories

These web pages include a condensed archive of security advisories posted to the debian-security-announce list.

[17 Aug 2017] DSA-3944 mariadb-10.0 security update
[14 Aug 2017] DSA-3943 gajim security update
[13 Aug 2017] DSA-3942 supervisor security update
[13 Aug 2017] DSA-3941 iortcw security update
[13 Aug 2017] DSA-3940 cvs security update
[12 Aug 2017] DSA-3939 botan1.10 security update
[12 Aug 2017] DSA-3938 libgd2 security update
[12 Aug 2017] DSA-3937 zabbix security update
[10 Aug 2017] DSA-3936 postgresql-9.6 security update
[10 Aug 2017] DSA-3935 postgresql-9.4 security update
[10 Aug 2017] DSA-3934 git security update
[10 Aug 2017] DSA-3933 pjproject security update
[10 Aug 2017] DSA-3932 subversion security update
[10 Aug 2017] DSA-3930 freeradius security update
[10 Aug 2017] DSA-3929 libsoup2.4 security update
[10 Aug 2017] DSA-3928 firefox-esr security update
[07 Aug 2017] DSA-3927 linux security update
[04 Aug 2017] DSA-3926 chromium-browser security update
[04 Aug 2017] DSA-3925 qemu security update
[02 Aug 2017] DSA-3924 varnish security update
[01 Aug 2017] DSA-3923 freerdp security update
[28 Jul 2017] DSA-3922 mysql-5.5 security update
[28 Jul 2017] DSA-3921 enigmail security update
[25 Jul 2017] DSA-3920 qemu security update
[25 Jul 2017] DSA-3919 openjdk-8 security update
[25 Jul 2017] DSA-3918 icedove security update
[23 Jul 2017] DSA-3917 catdoc security update
[21 Jul 2017] DSA-3916 atril security update
[20 Jul 2017] DSA-3915 ruby-mixlib-archive security update
[18 Jul 2017] DSA-3914 imagemagick security update
[18 Jul 2017] DSA-3913 apache2 security update

The latest Debian security advisories are also available in RDF format. We also offer a second file that includes the first paragraph of the corresponding advisory so you can see in it what the advisory is about.

The older security advisories are also available: 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997 and undated security advisories, included for posterity.

Debian distributions are not vulnerable to all security problems. The Debian Security Tracker collects all information about the vulnerability status of Debian packages, and can be searched by CVE name or by package.

Contact Information

Please read the Security Team FAQ before contacting us, your question may well be answered there already!

The contact information is in the FAQ as well.