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VULNERABILITIES

CVE-2026-3592 Details

Description

BIND resolvers are vulnerable to an amplified resource consumption/exhaustion attack. If a victim resolver makes a query to a specially crafted zone, the resolver will consume disproportionate resources. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.48, 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.48-S1, and 9.20.9-S1 through 9.20.22-S1.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://downloads.isc.org/isc/bind9/9.18.49 [email protected]Patch
https://downloads.isc.org/isc/bind9/9.20.23 [email protected]Patch
https://downloads.isc.org/isc/bind9/9.21.22 [email protected]Patch
https://kb.isc.org/docs/cve-2026-3592 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-408Incorrect Behavior Order: Early Amplification[email protected]

Affected Products

ProductVersions
isc bind
>= 9.11.0, <= 9.16.50
>= 9.18.0, < 9.18.49
>= 9.20.0, < 9.20.23
>= 9.21.0, < 9.21.22

CPE

  • cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-3592
NVD Published Date:
May 20, 2026
NVD Last Modified:
Jul 24, 2026
Source:
[email protected]
CVE-2026-3592 Details - Not Deferred