Bug 2451573

Summary: CVE-2026-3591 bind9-next: BIND: Unauthorized access due to use-after-return vulnerability in DNS query handling [fedora-all]
Product: [Fedora] Fedora Reporter: Anten Skrabec <askrabec>
Component: bind9-nextAssignee: Petr Menšík <pemensik>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: dns-sig, pemensik, pspacek
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["fbd67fcb-8d4d-4135-a4fd-af67863d2e25"]}
Fixed In Version: bind9-next-9.21.20-1.fc43 bind9-next-9.21.20-1.fc42 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-04-03 00:51:25 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: 2451298    

Description Anten Skrabec 2026-03-26 00:44:03 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 2026-03-26 09:31:42 UTC
FEDORA-2026-bcc66a29da (bind9-next-9.21.20-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-bcc66a29da

Comment 2 Fedora Update System 2026-03-26 09:32:06 UTC
FEDORA-2026-a6efefa854 (bind9-next-9.21.20-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-a6efefa854

Comment 3 Fedora Update System 2026-03-26 09:32:24 UTC
FEDORA-2026-01c20fe8ca (bind9-next-9.21.20-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-01c20fe8ca

Comment 4 Fedora Update System 2026-04-03 00:51:25 UTC
FEDORA-2026-a6efefa854 (bind9-next-9.21.20-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 5 Fedora Update System 2026-04-03 17:03:36 UTC
FEDORA-2026-bcc66a29da (bind9-next-9.21.20-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.