Bug 2453431

Summary: CVE-2026-24028 dnsdist: dnsdist and PowerDNS: Denial of service or information disclosure via crafted DNS response packet [fedora-all]
Product: [Fedora] Fedora Reporter: Sandipan Roy <saroy>
Component: dnsdistAssignee: Sander Hoentjen <sander>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: dns-sig, sander
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["1384f2cf-a583-4787-9bbb-dde9388bfd2e"]}
Fixed In Version: dnsdist-2.0.3-1.fc43 dnsdist-1.9.12-1.fc42 dnsdist-2.0.3-1.fc44 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-04-10 01:00:56 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2453343    

Description Sandipan Roy 2026-03-31 16:22:21 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.

Comment 1 Sander Hoentjen 2026-04-01 08:38:52 UTC
*** Bug 2453432 has been marked as a duplicate of this bug. ***

Comment 2 Fedora Update System 2026-04-01 14:53:22 UTC
FEDORA-2026-6cae4711b3 (dnsdist-2.0.3-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-6cae4711b3

Comment 3 Fedora Update System 2026-04-01 14:53:44 UTC
FEDORA-2026-637c11815f (dnsdist-1.9.12-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-637c11815f

Comment 4 Fedora Update System 2026-04-02 01:28:58 UTC
FEDORA-2026-519446405a 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-2026-519446405a`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-519446405a

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

Comment 5 Fedora Update System 2026-04-02 01:44:22 UTC
FEDORA-2026-6cae4711b3 has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-6cae4711b3`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-6cae4711b3

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

Comment 6 Fedora Update System 2026-04-02 02:09:14 UTC
FEDORA-2026-637c11815f has been pushed to the Fedora 42 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-637c11815f`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-637c11815f

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

Comment 7 Fedora Update System 2026-04-10 01:00:56 UTC
FEDORA-2026-6cae4711b3 (dnsdist-2.0.3-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-04-10 01:11:24 UTC
FEDORA-2026-637c11815f (dnsdist-1.9.12-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 9 Fedora Update System 2026-04-25 01:32:53 UTC
FEDORA-2026-519446405a (dnsdist-2.0.3-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.