Bug 2506755 - CVE-2026-52688 pdns-recursor: RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation [fedora-all]
Summary: CVE-2026-52688 pdns-recursor: RRSIGs with too few labels can lead to bypass o...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: pdns-recursor
Version: 45
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Filipe Rosset
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["4cdf6f46-6494-49fd-b6db-4...
Depends On:
Blocks: CVE-2026-52688
TreeView+ depends on / blocked
 
Reported: 2026-07-24 14:59 UTC by Guilherme de Almeida Suckevicz
Modified: 2026-09-13 17:54 UTC (History)
3 users (show)

Fixed In Version: pdns-recursor-5.4.6-2.fc45 pdns-recursor-5.4.6-2.el10_3 pdns-recursor-5.4.6-2.el10_2 pdns-recursor-5.4.6-2.fc44
Clone Of:
Environment:
Last Closed: 2026-09-13 00:16:23 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2026-07-24 14:59:06 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation

Comment 1 Aoife Moloney 2026-08-17 15:36:26 UTC
This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle.
Changing version to 45.

Comment 2 Fedora Update System 2026-09-04 18:48:04 UTC
FEDORA-2026-6c1e0af917 (pdns-recursor-5.4.6-2.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-6c1e0af917

Comment 3 Fedora Update System 2026-09-04 18:48:05 UTC
FEDORA-2026-ae048e451f (pdns-recursor-5.4.6-2.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-ae048e451f

Comment 4 Fedora Update System 2026-09-04 18:48:06 UTC
FEDORA-EPEL-2026-f37ac61468 (pdns-recursor-5.4.6-2.el10_2) has been submitted as an update to Fedora EPEL 10.2.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-f37ac61468

Comment 5 Fedora Update System 2026-09-05 01:24:43 UTC
FEDORA-EPEL-2026-5f7576d774 has been pushed to the Fedora EPEL 10.3 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-5f7576d774

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 6 Fedora Update System 2026-09-05 01:35:18 UTC
FEDORA-2026-ae048e451f has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-ae048e451f`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-ae048e451f

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 7 Fedora Update System 2026-09-05 01:52:49 UTC
FEDORA-EPEL-2026-f37ac61468 has been pushed to the Fedora EPEL 10.2 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-f37ac61468

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 8 Fedora Update System 2026-09-05 02:16:47 UTC
FEDORA-2026-6c1e0af917 has been pushed to the Fedora 45 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-6c1e0af917`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-6c1e0af917

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 9 Fedora Update System 2026-09-13 00:16:23 UTC
FEDORA-2026-6c1e0af917 (pdns-recursor-5.4.6-2.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 10 Fedora Update System 2026-09-13 00:42:23 UTC
FEDORA-EPEL-2026-5f7576d774 (pdns-recursor-5.4.6-2.el10_3) has been pushed to the Fedora EPEL 10.3 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 11 Fedora Update System 2026-09-13 17:47:30 UTC
FEDORA-EPEL-2026-f37ac61468 (pdns-recursor-5.4.6-2.el10_2) has been pushed to the Fedora EPEL 10.2 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 12 Fedora Update System 2026-09-13 17:54:31 UTC
FEDORA-2026-ae048e451f (pdns-recursor-5.4.6-2.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.


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