Help with a debdiff for tigervnc

[Aaron Rainbolt]

On 1/21/24 12:05, Andrew C Aitchison wrote:
> On Sun, 21 Jan 2024, Aaron Rainbolt wrote:
>
>> 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.
>
> Could you take it please ? I don't have any Ubuntu developer rights.
>
> What is the best way to watch or see what you have done ?

Just watch the bug report you filed, you'll probably get email 
notifications about it. I'll assign to myself so I'm less likely to forget.

Thanks for letting us know about this!

>
> Thanks,
>
-- 
Aaron Rainbolt
Lubuntu Developer
Matrix: @arraybolt3:matrix.org
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