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.
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 http://security.debian.org/ jessie/updates main contrib non-free
/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
These web pages include a condensed archive of security advisories posted to the debian-security-announce list.
[30 May 2015] DSA-3275 fusionforge - security update
[28 May 2015] DSA-3274 virtualbox - security update
[25 May 2015] DSA-3273 tiff - security update
[23 May 2015] DSA-3272 ipsec-tools - security update
[23 May 2015] DSA-3271 nbd - security update
[22 May 2015] DSA-3270 postgresql-9.4 - security update
[22 May 2015] DSA-3269 postgresql-9.1 - security update
[22 May 2015] DSA-3268 ntfs-3g - security update
[22 May 2015] DSA-3267 chromium-browser - security update
[21 May 2015] DSA-3266 fuse - security update
[20 May 2015] DSA-3265 zendframework - security update
[19 May 2015] DSA-3264 icedove - security update
[19 May 2015] DSA-3263 proftpd-dfsg - security update
[18 May 2015] DSA-3262 xen - security update
[15 May 2015] DSA-3261 libmodule-signature-perl - security update
[13 May 2015] DSA-3260 iceweasel - security update
[13 May 2015] DSA-3259 qemu - security update
[12 May 2015] DSA-3258 quassel - security update
[11 May 2015] DSA-3257 mercurial - security update
[10 May 2015] DSA-3256 libtasn1-6 - security update
[10 May 2015] DSA-3255 zeromq3 - security update
[09 May 2015] DSA-3254 suricata - security update
[07 May 2015] DSA-3253 pound - security update
[06 May 2015] DSA-3252 sqlite3 - security update
[05 May 2015] DSA-3251 dnsmasq - security update
[04 May 2015] DSA-3250 wordpress - security update
[03 May 2015] DSA-3249 jqueryui - security update
[02 May 2015] DSA-3248 libphp-snoopy - security update
[02 May 2015] DSA-3247 ruby2.1 - security update
[02 May 2015] DSA-3246 ruby1.9.1 - security update
[02 May 2015] DSA-3245 ruby1.8 - security update
[02 May 2015] DSA-3244 owncloud - security update
[01 May 2015] DSA-3243 libxml-libxml-perl - security update
[30 Apr 2015] DSA-3242 chromium-browser - 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: 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.
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.