Ok, fair enough, there are differences. Not obvious from reading the
text of issues only, it seems exactly the same issue on the first glance.
Filled https://gitlab.isc.org/isc-projects/bind9/-/issues/5622 to track
just the issue reported in stable releases.
The core seems to be related. Especially "no valid signature found" is
the first message in delv +vtrace, which is different from working
version output.
Ok, this bug does not need any special behavior of delegation. It
deserves own issue then, right.
On 04/11/2025 13:27, Ondřej Surý wrote:
Agreed.
I would suggest doing a full bug report into an issue next time and including
all the relevant details instead of piggybacking on an internal issue.
There is a subtle difference between #5570 and the issue reported below, and
thus these are two distinct bugs.
Ondrej
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On 4. 11. 2025, at 7:21, Petr Menšík via bind-users <[email protected]>
wrote:
Unfortunately this is a rare moment, when Ondřej is not correct. This affects
all versions, which included fix for CVE-2025-8677. Yes, I verified also our
builds are affected. Fedora 9.18.41 contains the same problem, but OpenSSL
library does not prevent usage of 5 and 7 algorithms there. It is not visible.
But in any case, similar reports should contain delv +vtrace output from your
side. Especially because it should be able to reproduce it on any system, which
disables RSASHA1 and RSASHA1NSEC3 algorithms. But delv tool shows wrong
behaviour only on CentOS 9 or CentOS 10 derivatives. On other systems it seems
unaffected on the first glance.
Development version contains code modifications, which has similar problem in a
bit different place and with different fix needed. But unlike original
assumption it affects also stable versions.
Cheers,
Petr
On 30/10/2025 22:39, Ondřej Surý wrote:
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Senior Software Engineer, RHEL
Red Hat, https://www.redhat.com/
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