Bug 2453423

Summary:	CVE-2026-24030 dnsdist: DNSdist: Denial of Service via excessive memory allocation from DNS over QUIC or HTTP/3 payloads [epel-all]
Product:	[Fedora] Fedora EPEL	Reporter:	Sandipan Roy <saroy>
Component:	dnsdist	Assignee:	Sander Hoentjen <sander>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	high
Version:	epel10	CC:	dns-sig, sander
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["806a1b3c-701d-41a4-a4b6-4a13344a9b81"]}
Fixed In Version:	dnsdist-2.0.3-1.el10_3 dnsdist-1.9.12-1.el9 dnsdist-1.9.12-1.el8	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-04-10 00:27:34 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:	2453344

Description Sandipan Roy 2026-03-31 16:21:46 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 Fedora Update System 2026-04-01 14:56:18 UTC

FEDORA-EPEL-2026-7bf19a16b5 (dnsdist-2.0.3-1.el10_3) has been submitted as an update to Fedora EPEL 10.3.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-7bf19a16b5

Comment 2 Fedora Update System 2026-04-01 14:56:37 UTC

FEDORA-EPEL-2026-030ee059c5 (dnsdist-1.9.12-1.el9) has been submitted as an update to Fedora EPEL 9.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-030ee059c5

Comment 3 Fedora Update System 2026-04-02 00:53:18 UTC

FEDORA-EPEL-2026-030ee059c5 has been pushed to the Fedora EPEL 9 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-030ee059c5

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

Comment 4 Fedora Update System 2026-04-02 01:39:33 UTC

FEDORA-EPEL-2026-7bf19a16b5 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-2026-7bf19a16b5

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 01:45:47 UTC

FEDORA-EPEL-2026-a2984eccc2 has been pushed to the Fedora EPEL 8 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-a2984eccc2

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

Comment 6 Fedora Update System 2026-04-10 00:27:34 UTC

FEDORA-EPEL-2026-7bf19a16b5 (dnsdist-2.0.3-1.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 7 Fedora Update System 2026-04-10 00:41:34 UTC

FEDORA-EPEL-2026-030ee059c5 (dnsdist-1.9.12-1.el9) has been pushed to the Fedora EPEL 9 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-04-10 00:51:03 UTC

FEDORA-EPEL-2026-a2984eccc2 (dnsdist-1.9.12-1.el8) has been pushed to the Fedora EPEL 8 stable repository.
If problem still persists, please make note of it in this bug report.