REDHAT-BUG-2504560: Medium severity ISC BIND vulnerability

Published Jul 21, 2026
·
Updated

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.

Affected Software

1 affected component
ISC BIND

Event History

Jul 21, 2026
Data Sourced
via Red Hat·09:17 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2504560?

The severity of REDHAT-BUG-2504560 is classified as medium (4).

2

How do I fix REDHAT-BUG-2504560?

To fix REDHAT-BUG-2504560, ensure you apply the latest patches available for ISC BIND as recommended in the official documentation.

3

What impact does REDHAT-BUG-2504560 have on my system?

REDHAT-BUG-2504560 can allow forged authenticated NXDOMAIN responses, potentially impacting domain name resolution for sibling zones.

4

Which software is affected by REDHAT-BUG-2504560?

The affected software by REDHAT-BUG-2504560 is ISC BIND.

5

When was REDHAT-BUG-2504560 published?

REDHAT-BUG-2504560 was published on July 21, 2026.

Contact

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