Bug 2420814

Summary:	CVE-2025-59030 pdns-recursor: Insufficient validation of incoming notifies over TCP can lead to a denial of service [fedora-43]
Product:	[Fedora] Fedora	Reporter:	Jon Moroney <jmoroney>
Component:	pdns-recursor	Assignee:	Jonathan Wright <jonathan>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	high
Version:	43	CC:	jonathan, ruben, sander
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["33fd45ff-52a9-4f49-9e18-e72ff623356c"]}
Fixed In Version:	pdns-recursor-5.2.8-1.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-04-13 01:07:30 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:	2420463

Description Jon Moroney 2025-12-09 20:41:57 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.

The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams

Comment 1 Fedora Update System 2026-04-03 17:31:00 UTC

FEDORA-2026-9c582575e5 (pdns-recursor-5.2.8-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-9c582575e5

Comment 2 Fedora Update System 2026-04-04 02:14:12 UTC

FEDORA-2026-9c582575e5 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-2026-9c582575e5`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-9c582575e5

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

Comment 3 Fedora Update System 2026-04-13 01:07:30 UTC

FEDORA-2026-9c582575e5 (pdns-recursor-5.2.8-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.