On 1/21/24 05:41, Andrew C Aitchison wrote:
Debian have fixed a security bug in tigervnc which is in universe,
so someone needs to generate a debdiff for the security team to
review it and publish the package:
https://bugs.launchpad.net/ubuntu/+source/tigervnc/+bug/2048442
Debian have fixed this by building tigervnc 1.13.1 with
xorg-server-source
= 2:21.1.10, but Ubuntu 23.10 has tigervnc 1.12.0+dfsg-8 and
xorg-server-source
2:21.1.7-3ubuntu2.6
On a good day I can build a .deb from source, but I am not familiar with
debdiffs and it is not clear to me that changing the upstream version
(either for mantic or noble) is a casual thing to do.
What is the next step to get this fix published ?
If all that's necessary is to rebuild tigervnc against a properly
patched xorg-xserver-source, this shouldn't be too tricky. The versions
of xorg-xserver with the patch fixed can be seen at
https://ubuntu.com/security/notices/USN-5986-1. All that would then be
necessary is to bump the dependency to require a version of
xorg-xserver-source greater than or equal to the corresponding version
in each stable release, and bump the dependency to require the newest
available version of xorg-server-source or greater in the development
release.
The tricky part here is following the whole Stable Release Updates
process (https://wiki.ubuntu.com/StableReleaseUpdates), which takes at
least a week (probably more like a week and a couple of days) and
requires lot of effort and testing to make work. If you're interested in
helping to fix this hands-on, I'd be happy to assist, but stable release
updates are one of the harder parts of Ubuntu development. If you'd
prefer, I'd also be happy to just take this bug and work on getting it
fixed.
Thanks for helping make Ubuntu better!
Thanks,
--
Aaron Rainbolt
Lubuntu Developer
Matrix: @arraybolt3:matrix.org
IRC: arraybolt3 on irc.libera.chat
GitHub: https://github.com/ArrayBolt3
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