Revision as of 18:17, 14 April 2022

Qtwebkit removal

Summary

Qtwebkit (qt4 era package) is dead upstream, and has hundreds of known CVEs, many of them being remote code execution bugs. It's time to remove qtwebkit from the distribution. See also #1711519 which has been open without action for years.

Owner

Name: Sandro Mani
Email: manisandro@gmail.com

Current status

Targeted release: Fedora 37
Last updated: 2022-04-14
FESCo issue: <will be assigned by the Wrangler>
Tracker bug: <will be assigned by the Wrangler>
Release notes tracker: <will be assigned by the Wrangler>

Detailed Description

Here is a current list of packages depending on qtwebkit, and the relative proposals of how to deal with them:

amarok-0:2.9.0-12.fc35.x86_64

 => Musicplayer. Switch to a current git master snapshot, which is KF5 based (https://invent.kde.org/multimedia/amarok) or retire

arora-0:0.11.0-25.fc35.x86_64

 => Browser. Retire, no-one should be using this considering the CVEs in qtwebkit. Users should use a QtWebEngine browser such as Falkon instead. Obsoletes can be added to the falkon package.

brewtarget-0:2.1.0-18.fc35.x86_64

 => Upgrade to 2.3.0 release which supports Qt5

gambas3-gb-qt4-webkit-0:3.16.2-3.fc35.x86_64, gambas3-gb-qt4-webview-0:3.16.2-3.fc35.x86_64

 => Drop subpackages

kde-runtime-libs-0:17.08.3-24.fc35.x86_64

 => Can be compiled without kdelibs-webkit support

kdelibs-6:4.14.38-28.fc35.x86_64, kdelibs-webkit-6:4.14.38-28.fc35.x86_64

 => Drop subpackage

knode-libs-0:4.14.10-47.fc35.x86_64

 => Required by knode, an newsreading application, part of kdepim4. It should be possible to build kdepim4 with QTextBrowser as the HTML viewer instead (KDEPIM_NO_WEBKIT CMake flag), we need to give this a try. As upstream is dead, removing it would be another option. In this case it would be good to obsolete it from quiterss.

krecipes-0:2.1.0-14.fc35.x86_64

 => Recipes application, dead upstream. This one uses mainly KHTML. The QtWebKit dependency is used only in a workaround for printing because KHTML has bugs with printing. We can either drop the workaround, or find another workaround, or disable printing entirely. There is no replacement, and the QtWebKit dependency can be dropped. See [1].

python3-PyQt4-webkit-0:4.12.3-17.fc35.x86_64

 => Leaf, retire. FTBFS: https://bugzilla.redhat.com/show_bug.cgi?id=2045171 https://bugzilla.redhat.com/show_bug.cgi?id=2038921

qmc2-0:0.195-19.fc35.x86_64

 => Latest trunk supports Qt5, has landed in rawhide for Fedora 37 already

qt-assistant-1:4.8.7-65.fc35.x86_64

 => Build against QTextBrowser instead, which is supported as a fallback. This will degrade rendering quality, but it is better than dropping the package entirely.

qt-demos-1:4.8.7-65.fc35.x86_64

 => Drop the demos that depend on QtWebKit (or the entire subpackage)

qt-designer-plugin-webkit-1:4.8.7-65.fc35.x86_64

 => Drop subpackage

qt-examples-1:4.8.7-65.fc35.x86_64

 => Drop the examples that depend on QtWebKit (or the entire subpackage)

qt4pas-0:2.5-23.fc35.x86_64

 => Leaf, retire

qtscriptbindings-0:0.2.0-25.fc35.x86_64

 => Part of qtscriptgenerator, Only required by amarok. Retire.

rekonq-0:2.4.2-19.fc35.x86_64

 => Browser. Retire, no-one should be using this considering the CVEs in qtwebkit. Users should use a QtWebEngine browser such as Falkon instead. Obsoletes can be added to the falkon package.

Feedback

Benefit to Fedora

Removal obsolete and insecure packages

Scope

Proposal owners:

The following packages will be updated:

amarok: latest git
brewtarget: 2.3.0
qmc2: latest trunk

The following packages will be modified to disable QtWebKit support:

kde-runtime-libs
kde-workspace
kdepim4 (knode-libs)
krecipes
qt-assistant
qt-demos
qt-examples

The following packages will be retired:

arora
kde-plasma-publictransport (timetablemate)
libkfbapi
qlandkartegt
qt4pas
qtscriptgenerator (qtscriptbindings)
rekonq

The following subpackages will be removed, and obsoleted by the corresponding main package:

gambas3-gb-qt4-webkit
kdelibs-webkit
qt-designer-plugin-webkit

Other developers:

No work should be needed from other developers.

Release engineering: #Releng issue number (a check of an impact with Release Engineering is needed)

Policies and guidelines:

No policy or guidelines updates necessary.

Upgrade/compatibility impact

Retired subpackages will be obsoleted by fedora-obsolete-packages. Others will remain as leafs.

How To Test

Nothing to test really, packages will just disappear.

User Experience

Some old applications will disappear.

Dependencies

See above.

Contingency Plan

None.

Release Notes

Fedora 34 will drop the unmaintained and insecure qtwebkit package.

@@ Line 27: / Line 27: @@
 Here is a current list of packages depending on qtwebkit, and the relative proposals of how to deal with them:
-* amarok-0:2.9.0-9.fc33.x86_64
+* amarok-0:2.9.0-12.fc35.x86_64
-   => Musicplayer. Switch to a current git master snapshot, which is KF5 based (https://invent.kde.org/multimedia/amarok)
+   => Musicplayer. Switch to a current git master snapshot, which is KF5 based (https://invent.kde.org/multimedia/amarok) or retire
-* arora-0:0.11.0-23.fc33.x86_64
+* arora-0:0.11.0-25.fc35.x86_64
    => Browser. Retire, no-one should be using this considering the CVEs in qtwebkit. Users should use a QtWebEngine browser such as Falkon instead. Obsoletes can be added to the falkon package.
-* brewtarget-0:2.1.0-16.fc33.x86_64
+* brewtarget-0:2.1.0-18.fc35.x86_64
    => Upgrade to 2.3.0 release which supports Qt5
-* gambas3-gb-qt4-webkit-0:3.15.2-1.fc34.x86_64
+* gambas3-gb-qt4-webkit-0:3.16.2-3.fc35.x86_64, gambas3-gb-qt4-webview-0:3.16.2-3.fc35.x86_64
-   => Drop subpackage
+   => Drop subpackages
-* kde-runtime-libs-0:17.08.3-15.fc33.x86_64
+* kde-runtime-libs-0:17.08.3-24.fc35.x86_64
    => Can be compiled without kdelibs-webkit support
-* kde-workspace
+* kdelibs-6:4.14.38-28.fc35.x86_64, kdelibs-webkit-6:4.14.38-28.fc35.x86_64
-  => Can be patched to compile without kdelibs-webkit support, it has been done by RHEL.
-* kdelibs-webkit-6:4.14.38-23.fc34.x86_64
    => Drop subpackage
-* knode-libs-0:4.14.10-44.fc33.x86_64
+* knode-libs-0:4.14.10-47.fc35.x86_64
-   => Required by knode, an newsreading application, part of kdepim4. It should be possible to build kdepim4 with QTextBrowser as the HTML viewer instead (KDEPIM_NO_WEBKIT CMake flag), we need to give this a try. Retiring kdepim4 is not an option because there is no replacement for KNode.
+   => Required by knode, an newsreading application, part of kdepim4. It should be possible to build kdepim4 with QTextBrowser as the HTML viewer instead (KDEPIM_NO_WEBKIT CMake flag), we need to give this a try. As upstream is dead, removing it would be another option. In this case it would be good to obsolete it from quiterss.
-* krecipes-0:2.1.0-12.fc33.x86_64
+* krecipes-0:2.1.0-14.fc35.x86_64
-   => Recipes application, dead upstream. This one uses mainly KHTML. The QtWebKit dependency is used only in a workaround for printing because KHTML has bugs with printing. We can either drop the workaround, or find another workaround, or disable printing entirely. There is no replacement, and the QtWebKit dependency can be dropped, so we should not retire this package. See [https://bugzilla.redhat.com/show_bug.cgi?id=1711519#c12].
+   => Recipes application, dead upstream. This one uses mainly KHTML. The QtWebKit dependency is used only in a workaround for printing because KHTML has bugs with printing. We can either drop the workaround, or find another workaround, or disable printing entirely. There is no replacement, and the QtWebKit dependency can be dropped. See [https://bugzilla.redhat.com/show_bug.cgi?id=1711519#c12].
-* libkfbapi-0:1.0-16.fc32.x86_64
+* python3-PyQt4-webkit-0:4.12.3-17.fc35.x86_64
-  => Leaf, retire
+   => Leaf, retire. FTBFS: https://bugzilla.redhat.com/show_bug.cgi?id=2045171 https://bugzilla.redhat.com/show_bug.cgi?id=2038921
-* python3-PyQt4-webkit-0:4.12.3-13.fc33.x86_64
+* qmc2-0:0.195-19.fc35.x86_64
-   => Leaf, retire
+   => Latest trunk supports Qt5, has landed in rawhide for Fedora 37 already
-* qlandkartegt-0:1.8.1-28.fc33.x86_64
+* qt-assistant-1:4.8.7-65.fc35.x86_64
-  => Retire. The replacement is qmapshack, Obsoletes can be added.
-* qmc2-0:0.195-14.fc34.x86_64
-   => Latest trunk supports Qt5
-* qt-assistant-1:4.8.7-57.fc34.x86_64
    => Build against QTextBrowser instead, which is supported as a fallback. This will degrade rendering quality, but it is better than dropping the package entirely.
-* qt-demos-1:4.8.7-57.fc34.x86_64
+* qt-demos-1:4.8.7-65.fc35.x86_64
    => Drop the demos that depend on QtWebKit (or the entire subpackage)
-* qt-designer-plugin-webkit-1:4.8.7-57.fc34.x86_64
+* qt-designer-plugin-webkit-1:4.8.7-65.fc35.x86_64
    => Drop subpackage
-* qt-examples-1:4.8.7-57.fc34.x86_64
+* qt-examples-1:4.8.7-65.fc35.x86_64
    => Drop the examples that depend on QtWebKit (or the entire subpackage)
-* qt4pas-0:2.5-21.fc33.x86_64
+* qt4pas-0:2.5-23.fc35.x86_64
    => Leaf, retire
-* qtscriptbindings-0:0.2.0-23.fc33.x86_64
+* qtscriptbindings-0:0.2.0-25.fc35.x86_64
    => Part of qtscriptgenerator, Only required by amarok. Retire.
-* rekonq-0:2.4.2-17.fc33.x86_64
+* rekonq-0:2.4.2-19.fc35.x86_64
    => Browser. Retire, no-one should be using this considering the CVEs in qtwebkit. Users should use a QtWebEngine browser such as Falkon instead. Obsoletes can be added to the falkon package.
-* timetablemate-0:0.10-0.24.20111204git.fc32.x86_64
-  => Subpackage of the Plasma 4 Public Transport applet (kde-plasma-publictransport), last activity in 2013. Retire.
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