You are running Debian stable, because you prefer the Debian stable tree. It runs great, there is just one problem: the software is a little bit outdated compared to other distributions. This is where backports come in.
Backports are packages taken from the next Debian release (called "testing"), adjusted and recompiled for usage on Debian stable. Because the package is also present in the next Debian release, you can easily upgrade your stable+backports system once the next Debian release comes out. (In a few cases, usually for security updates, backports are also created from the Debian unstable distribution.)
Backports cannot be tested as extensively as Debian stable, and backports are provided on an as-is basis, with risk of incompatibilities with other components in Debian stable. Use with care!
It is therefore recommended to only select single backported packages that fit your needs, and not use all available backports.
Where to start
- Users should start at the Instructions page.
- Contributors should start Contribute page.
- If you want to know which packages are available via backports.debian.org look at the Packages page.
Thomas Goirand uploaded new packages for horizon which fixed the following security problem: CVE-2015-3988: Sunil Yadav from IBM Security Services reported a persistent XSS in Horizon. An authenticated user may conduct a persistent XSS attack by setting a malicious metadata to a Glance image, a Nova flavor or a Host Aggregate and tricking an administrator to load the update metadata page. Once executed in a legitimate context this attack may result in a privilege escalation. For the jessie-backports distribution the problems have been fixed in 2015.1.0-2~bpo8+1.
Wouter Verhelst uploaded new packages for nbd which fixed the following security problems: CVE-2015-0847 Tuomas Räsänen discovered that nbd-server unsafe signal handling in nbd-server, the server for the Network Block Device protocol, could allow remote attackers to cause a deadlock in the server process and thus a denial of service. CVE-2013-7441 Tuomas Räsänen discovered that the modern-style negotiation was carried out in the main process before forking the actual client handler. This could allow a remote attacker to cause a denial of service (crash) by querying a non-existent export. For the squeeze-backports distribution,the problems have been fixed in version 1:3.2-4~deb7u5~bpo60+1. The wheezy-backports and jessie-backports suites do not contain nbd packages, and therefore are not vulnerable (but see DSA-3271-1).
Rene Engelhard uploaded new packages for libreoffice which fixed the following security problem: CVE-2015-1774: It was discovered that missing input sanitising in Libreoffice's filter for HWP documents may result in the execution of arbitrary code if a malformed document is opened. For the squeeze-backports distribution the problem has been fixed in version 1:3.5.4+dfsg2-0deb7u4~bpo60+1. For the wheezy-backports distribution the problem has been fixed in version 1:4.3.3-2+deb8u1~bpo70+1.
Dear users of the backports service! With the release of Jessie (coming up) we are pleased to open the doors for jessie-backports and wheezy-backports-sloppy (mostly all architectures are already buildable there, too). Whee! But, PLEASE DO READ ON, there are some changes in the process that we would like to do for the new upload pockets. == What to upload where == As a reminder, uploads to a release-backports pocket are to be taken from release + 1, uploads to a release-backports-sloppy pocket are to be taken from release + 2. Which means: Source Distribution | Backports Distribution | Sloppy Distribution ---------------------|------------------------|-------------------------- stretch | jessie-backports | wheezy-backports-sloppy jessie | wheezy-backports | squeeze-backports-sloppy == We drop -v switch hard requirement == We required uploads to contain the changelog entries since the former version in stable in the changes file. This was quite convenient for people reading the changes through the changes mailinglist but especially also for the backports team when processing packages. Given that the changelogs of former backports and the packages backported are available through the packages.debian.org website (amongst other sources) and that it was annoying to both backporters and also us as backports team we are dropping it as hard requirement. It would still be pretty awesome for the above mentioned reasons if you could keep it as part of your workflow, especially for uploads that end in the policy queue, but we won't reject packages based solely on that nymore. == Versioning == Previous we used ~bpo70+1 as suffix for the versions of uploads. We were asked whether we might want to align that with the other suffixes used and drop the zero from within there, and yes, we will drop it. This means that uploads to jessie-backports should use ~bpo8+1 as suffix, and also wheezy-backports-sloppy uses ~bpo7+1 as suffix. For wheezy-backports please still use ~bpo70+1 version suffixes because of sorting reasoning, especially if there are also squeeze-backports-sloppy packages around. Which brings us to ... == squeeze-backports* == As you are probably aware, squeeze is still a supported release through LTS. The same goes for the squeeze-backports* suites, you can consider them to be around for the same timeframe that LTS is going to be around. == Statistics == For packages backported from jessie, so far we have 995 different source packages in wheezy-backports, and 27 different source packages in squeeze-backports-sloppy. Those 995 source packages took 1729 uploads to become reality. == Thanks == Thanks have to go out to all people making backports possible, and that includes up front the backporters themself who do upload the packages, track and update them on a regular basis, but also the buildd team making the autobuilding possible and the ftp masters for creating the suites in the first place. Enjoy, and continue being awesome! Rhonda, on behalf of the Backports Team
Matthew Vernon uploaded new packages for shibboleth-sp which fixed the following security problems: CVE-2015-2684 A denial of service vulnerability was found in the Shibboleth (a federated identity framework) Service Provider. When processing certain malformed SAML messages generated by an authenticated attacker, the daemon could crash. For the wheezy-backports distribution the problems have been fixed in version 2.5.3+dfsg-2~bpo70+1.
Dominic Hargreaves uploaded new packages for request-tracker4 which fixed the following security problems: CVE-2014-9472 Remote DoS via email gateway CVE-2015-1165 Information discloure revealing RSS feed URLs CVE-2015-1464 Privilege escalation via RSS feed URLs For the wheezy-backports distribution the problems have been fixed in version 4.0.19-1~bpo70+2. The problems have been fixed in other distributions as follows: * sid/jessie: 4.2.8-3 * wheezy: 4.0.7-5+deb7u3. * squeeze-backports: 4.0.7-5+deb7u3~bpo60+1 * squeeze-lts: 3.8.8-7+squeeze9 (of request-tracker3.8)
Rene Engelhard uploaded new packages for libreoffice which fixed the following security problems: CVE-2014-3693: Use-After-Free in socket manager of Impress Remote It was discovered that LibreOffice 4.0.0 and later does not manage the port 1599 for the LibreOffice Impress correctly. An external attackers with access to that port could cause the deleted port manager to continue to process attacker supplied data. Note that this update also disables the remote contol per default as it listens on port 1599 "to the world" per default. If you want/need it you need to enable it manally: 1. Open LibreOffice, go to "Tools -> Options..." 2. Select "LibreOffice Impress -> General" 3. Check "Presentation -> Enable remote control" For the wheezy-backports distribution the problems have been fixed in version 1:4.3.3~rc2-1~bpo70+1.
Gunnar Wolf uploaded new packages for Drupal7 which fixed the following security problems: CVE 2014-3704 / SA-CORE-2014-005: Highly critical: Pre Auth SQL injection The expandArguments function in the database abstraction API in Drupal core 7.x before 7.32 does not properly construct prepared statements, which allows remote attackers to conduct SQL injection attacks via an array containing crafted keys. https://www.drupal.org/SA-CORE-2014-005 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3704 https://www.sektioneins.de/en/advisories/advisory-012014-drupal-pre-auth-sql-injection-vulnerability.html For the squeeze-backports distribution the problems have been fixed in version 7.14-2+deb7u7~bpo60+1. For the wheezy-backports distribution the problems have been fixed in version 7.32-1~bpo70+1.
Guido Trotter <firstname.lastname@example.org> uploaded new packages for ganeti (2.11.5-1~bpo70+1) which fixes the following security problems: oCERT #2014-006 (CVE pending) Ganeti insecure archive permission http://www.ocert.org/advisories/ocert-2014-006.html (the full text of the advisory is also included in NEWS.Debian) For the testing (jessie) and unstable (sid) distributions, these problems have been fixed in version 2.11.5-1. For the wheezy-backports distribution, these problems have been fixed in version 2.11.5-1~bpo70+1. The stable distribution (wheezy) is not affected by this issue. The old stable distribution (squeeze) is not affected by this issue. The old stable backports (squeeze-backports) is not affected by this issue.
Harlan Lieberman-Berg uploaded new packages for ansible which fixed the following security problems: CVE-2014-4966 A bug was discovered by Brian Harring that could allow for the escalation of a local permission access level into an arbitrary code execution, by interpolation of maliciously crafted file names. CVE-2014-4967 A bug was discovered by Brian Harring concerning the unsafe parsing of action arguments when an attacker can control any variable data, including fact data, with_fileglob data, and others. Depending on what module the attacker targets, the impact ranges from information disclosure to arbitrary shell code execution. For the wheezy-backports distribution, these problems have been fixed in version 1.6.8+dfsg-1~bpo70+1. The stable distribution (wheezy) was not affected by this issue. For the testing (jessie) and unstable (sid) distributions, these problems have been fixed in version 1.6.8+dfsg-1.