2504560 – (CVE-2026-10723) CVE-2026-10723 bind: bind9: Incorrect acceptance of NSEC3 records

Bug 2504560 (CVE-2026-10723) - CVE-2026-10723 bind: bind9: Incorrect acceptance of NSEC3 records

Summary: CVE-2026-10723 bind: bind9: Incorrect acceptance of NSEC3 records

Keywords:
Status:	NEW
Alias:	CVE-2026-10723
Deadline:	2026-07-22
Product:	Security Response
Classification:	Other
Component:	vulnerability
Sub Component:
Version:	unspecified
Hardware:	All
OS:	Linux
Priority:	medium
Severity:	medium
Target Milestone:	---
Assignee:	Product Security
QA Contact:
Docs Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+	depends on / blocked

Reported:	2026-07-21 21:17 UTC by OSIDB Bzimport
Modified:	2026-07-23 03:13 UTC (History)
CC List:	4 users (show)
Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments	(Terms of Use)

Description OSIDB Bzimport 2026-07-21 21:17:39 UTC

BIND may accept incorrect child-zone NSEC3 records as valid,
  allowing forged authenticated NXDOMAIN responses for sibling zones.
  AC:H (high complexity) keeps severity at Medium despite S:C.

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