On Mon, Sep 28, 2026 at 11:22:58PM +0100, Ben Morris wrote:
> On Mon, 18 May 2026 17:10:57 +0200 Julian Andres Klode <[email protected]>
> wrote:
> 
> > I'm not keen on touching the acquire code in stable releases given the
> > severe regression potential without having said fixes in a stable
> > release (whether Debian or Ubuntu) for a couple of months.
> 
> I appreciate the concern about regression, but I want to emphasise that the
> present situation is already rather serious.
> 
> I came across 
> https://www.reddit.com/r/debian/comments/1ws65v5/problem_when_installing_certain_packages/
> today. These posts are a regular occurrence over there. It's not a
> particularly high-traffic forum, so one must assume that they are the tip of
> an iceberg.
>

On the opposite, I'd argue this almost never happens.

> I am less concerned by the inconvenience experienced by users having to seek
> out this workaround than by the potentially very large number of machines
> out there which just aren't receiving security updates due to this bug.
> Posts which turn out to be about this bug seem to present almost exclusively
> as difficulty installing a package. Desktop users who have already installed
> the software that they need may take a very long time to notice that no
> updates are being installed. Server admins could easily be reassured that
> updates are still being checked by reading recent entries in
> unattended-upgrades.log.
> 
> Shouldn't this be treated as a security issue, due to its ability to prevent
> other known security issues from being patched?

Categorizing it as a security issue does not magically make it fixable.

As per [1] the change seems to have caused a regression causing APT
to confuse two parallel downloads. Given that I saw this around twice
in the last 3 months vs only seeing this bug once or twice in 20 years
I'm inclined to not backport this fix.

[1] https://salsa.debian.org/apt-team/apt/-/merge_requests/559#note_767468

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debian developer - deb.li/jak | jak-linux.org - free software dev
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