This bug was fixed in the package exim4 - 4.97-4ubuntu4.2
---
exim4 (4.97-4ubuntu4.2) noble; urgency=medium
* d/p/lp2077893-*.patch: Fix crashes due to memory allocation when using
PCRE2 (LP: #2077893).
* d/control: Add libnsl-dev dependency for exim4-daemon-heavy (LP: #208439
Thanks for the verification!
** Tags removed: verification-needed verification-needed-noble
** Tags added: verification-done verification-done-noble
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@tjaalton one more confirmation - no more erros, seems to be fixed.
Thanks again
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Title:
Current exim version have crashes inside PCRE2 lib
To m
looks fixed now
2024-11-15 16:11:41 1tBw6q-0008KbC-10tx bad internal_store_malloc request
(2147483632 bytes) from function_store_get 66
2024-11-15 16:12:50 1tBw80-0008Kdd-2B0q bad internal_store_malloc request
(2147483632 bytes) from function_store_get 66
2024-11-15 16:24:49 1tBwJa-0
@tjaalton thanks, take it for testing
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Title:
Current exim version have crashes inside PCRE2 lib
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Hello Maxim, or anyone else affected,
Accepted exim4 into noble-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/exim4/4.97-4ubuntu4.2
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://wiki.u
** Merge proposal linked:
https://code.launchpad.net/~lvoytek/ubuntu/+source/exim4/+git/exim4/+merge/475266
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Title:
Current exim version have
** Changed in: exim4 (Ubuntu Noble)
Status: Triaged => In Progress
** Changed in: exim4 (Ubuntu Noble)
Assignee: (unassigned) => Lena Voytek (lvoytek)
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Thanks for the SRU documentation Dmitry! I updated the bug report with
the information. We should be able to get the fix added soon for you to
verify
** Description changed:
+ [ Impact ]
+
+ exim 4.97 crashes on messages with size >2Mb and regex being used in
acl_smtp_data or anywhere else wh
Dear Bryce,
For sure, I'm in.
Please find the template attached. I hope it reflects the data as it should,
I'm filling it down for the 1st time. If not, please adopt it appropriately.
Awaiting your instructions regarding Step #8 or any else I can help
with.
Thanks
Regards,
Dmitry
** Attachme
Excellent Dmitry, thanks for verifying that.
I'm not sure whether we should proceed at this point with all 6 patches
or try to whittle them down to a more minimal fix. I'm leaning towards
the former since from the Gentoo bug it sounds like they came up as part
of the stabilization process for thi
Since my previous post I confirm no crashes until now.
Usually this host processes 15-25k mails daily. On this volume crash should
occur if the problem still persists.
Secondly, I've replaced exim from this repo:
https://launchpad.net/~bryce/+archive/ubuntu/exim4-sru-lp2077893-single-
patch
The
I've created a second PPA that has a variation of the earlier package,
that contains only the first patch in the set. Testing this would help
verify whether the full set should be SRU'd or just the specific fix.
https://launchpad.net/~bryce/+archive/ubuntu/exim4-sru-lp2077893-single-
patch
@Dmit
I tried a reproducer with a large email with thousands of long lines,
and that content acl that checks for line length using a regexp, i.e.,
it's an expensive check. It didn't trigger the failure yet. I mean, I
wasn't able to reproduce the problem yet.
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Thanks for making the new build with patches.
Just installed it on a production host, and exim does not crash on my test
e-mail.
Will investigate for a couple of days and I return back with the result.
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I've backported the aforementioned commits to noble and set up a PPA for
testing purposes:
https://launchpad.net/~bryce/+archive/ubuntu/exim4-sru-lp2077893/+packages
The first patch sounds like it's the fix for this specific issue by
adding store_reset() calls as appropriate, and the second patch
** Also affects: exim via
http://bugs.exim.org/show_bug.cgi?id=3047
Importance: Unknown
Status: Unknown
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Title:
Current exim version
I'll investigate this a bit, specially at getting a reproducer which
seems doable.
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Title:
Current exim version have crashes inside PCRE2 lib
To
The bug mentions several additional comments:
https://git.exim.org/exim.git/patch/b4e7527561f1
https://git.exim.org/exim.git/patch/35aacb69f5c8
https://git.exim.org/exim.git/patch/84add256b346
https://git.exim.org/exim.git/patch/6fcb3173d64e
https://git.exim.org/exim.git/patch/a173a4376d16
https:/
Thanks for reporting this.
As mentined in https://bugs.exim.org/show_bug.cgi?id=3047#c40, the fix
is available in https://git.exim.org/exim.git/commit/b4e7527561f1 and
https://git.exim.org/exim.git/commit/35aacb69f5c8.
The bug also seems to include a test we could potentially use to verify
the bu
It definatly lead to message losses.
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Title:
Current exim version have crashes inside PCRE2 lib
To manage notifications about this bug go to:
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I think this bug is critical, as it leads to stop of e-mail processing
and (probably) messages loss.
** Package changed: systemd (Ubuntu) => exim4 (Ubuntu)
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: systemd (Ubuntu)
Status: New => Confirmed
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Title:
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