KDE 3.0 was released on April 3rd, 2002. Read the official announcement.

This page will be updated to reflect changes in the status of 3.0 release so check back for new information.

This page is no longer maintained. Currently, only KDE 4.2.0 and newer are maintained. Please have a look at the KDE 4.4.0 Info Page instead.

FAQ

See the KDE FAQ for any specific questions you may have. Questions about Konqueror should be directed to the Konqueror FAQ and sound related questions are answered in the FAQ of the aRts Project

Download and Installation

See the links listed in the announcement. The KDE FAQ provides generic instruction about installation issues.

Binary packages can be found under http://download.kde.org/stable/3.0/ or in the equivalent directory at one of the KDE FTP mirrors. Additional binary packages might become available in the coming weeks, as well as updates to the current packages.

If you want to compile from sources we offer the source tarballs, besides instructions for compiling and help for commonly reported compilation problems in the Compilation FAQ.

Updates

KDE 3.0.1 has been released as of May 22nd, 2001 -- see the official announcement for details. Users are encouraged to upgrade. This page will no longer be updated.

Security Issues

Konqueror fails to detect the "secure" flag in HTTP cookies and as a result may send secure cookies back to the originating site over an unencrypted network connection.

It is strongly recommended to upgrade at least kdelibs to KDE 3.0.3a in which this bug is fixed.

A patch is also available for download to address this particular problem.
Konqueror fails to correctly initialize the site domains for sub-(i)frames and may as a result allow access to forein cookies.

It is strongly recommended to upgrade at least kdelibs to KDE 3.0.3a in which this bug is fixed.

A patch is also available for download to address this particular problem.
KDE's SSL implementation fails to check the basic constraints on certificates and as a result may accept certificates as valid that were signed by an issuer who was not authorized to do so.

Due to this, users of Konqueror and other SSL enabled KDE software may fall victim to a malicious man-in-the-middle attack without noticing. In such case the user will be under the impression that there is a secure connection with a trusted site while in fact a different site has been connected to.

It is strongly recommended to upgrade at least kdelibs to KDE 3.0.3 in which this bug is fixed.
A format string vulnerability was found in the commonly used talkd implementation, which ktalk(d) uses.

A patch is available for download to address this particular problem.

The use of ktalk(d) is strongly discouraged in any security relevant area. Use it with care, and never make it accessible outside your local, trusted network.
A Denial of Service vulnerability has been found in the aRts soundserver. All versions of KDE 2.2.x and KDE 3.0.x are affected. If you allow untrusted users to login, it is recommended to remove the sUID bit of the artswrapper application. To achieve this, please run the following command in the directory artswrapper is installed in:
```
  chmod u-s artswrapper
```
Several vulnerabilites have been found in LISa/resLISa and the rlan:// protocol, including the possibility to escalate the privileges to root via a remote attack. See the detailed advisory for an explanation and instructions for immediate workaround. A patch is available for download. The use of LISa/resLISa is strongly discouraged in any security relevant area. Never make it available outside your local, trusted network.
the rlogin protocol implementation in KIO allows remote command execution. See the detailed advisory for an explanation and instructions for immediate workaround. A patch is available for download.
Several shell escaping vulnerabilities have been found throughout KDE which allow a remote attacker to execute commands as the local user. Read the detailed advisory. It is strongly recommended to update to KDE 3.0.5a.
Several problems with KDE's use of Ghostscript where discovered that allow the execution of arbitrary commands contained in PostScript (PS) or PDF files with the privileges of the victim. Read the detailed advisory. It is strongly recommended to update to KDE 3.0.5b
A HTTP authentication credentials leak via the a "Referrer" was discovered by George Staikos in Konqueror. If the HTTP authentication credentials were part of the URL they would be possibly sent in the referer header to a 3rd party web site. Read the detailed advisory. KDE 3.1.3 and newer are not vulnerable.

Bugs

This is a list of grave bugs and common pitfalls surfacing after the release date:

the kdebindings package fails compilation in the Java and Objective C bindings. It is corrected in the KDE 3.0.1 release.

Please check the bug database before filing any bug reports. Also check for possible updates on this page that might describe or fix your problem.

Developer Info

If you need help porting your application to KDE 3.x see the porting guide or subscribe to the KDE Devel Mailinglist to ask specific questions about porting your applications.

There is also info on the architecture and the programming interface of KDE 3.0.