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 http://security.debian.org/ squeeze/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.

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.

[13 May 2012] DSA-2471 ffmpeg - several vulnerabilities
[13 May 2012] DSA-2458 iceape - several vulnerabilities
[13 May 2012] DSA-2457 iceweasel - several vulnerabilities
[11 May 2012] DSA-2470 wordpress - several vulnerabilities
[10 May 2012] DSA-2469 linux-2.6 - privilege escalation/denial of service
[09 May 2012] DSA-2468 libjakarta-poi-java - unbounded memory allocation
[09 May 2012] DSA-2467 mahara - insecure defaults
[09 May 2012] DSA-2466 rails - cross site scripting
[09 May 2012] DSA-2465 php5 - several vulnerabilities
[09 May 2012] DSA-2422 file - missing bounds checks
[08 May 2012] DSA-2464 icedove - several vulnerabilities
[04 May 2012] DSA-2459 quagga - several vulnerabilities
[03 May 2012] DSA-2462 imagemagick - several vulnerabilities
[02 May 2012] DSA-2463 samba - missing permission checks
[26 Apr 2012] DSA-2461 spip - several vulnerabilities
[25 Apr 2012] DSA-2460 asterisk - several vulnerabilities
[24 Apr 2012] DSA-2454 openssl - multiple vulnerabilities
[23 Apr 2012] DSA-2456 dropbear - use after free
[20 Apr 2012] DSA-2455 typo3-src - missing input sanitization
[16 Apr 2012] DSA-2453 gajim - several vulnerabilities
[15 Apr 2012] DSA-2452 apache2 - insecure default configuration

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: 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 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.