CVE-2026-3592
MEDIUM EPSS 32.4%
Published May 20, 20261mo ago · Modified Jun 17, 20262w ago
5.3 CVSS 3.1
Published May 20, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability Low
Threat Intelligence
EPSS Exploit Probability
32.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available
Weaknesses 1
CWE-408
Affected Products 4
References 4
- downloads.isc.org https://downloads.isc.org/isc/bind9/9.18.49
- downloads.isc.org https://downloads.isc.org/isc/bind9/9.20.23
- downloads.isc.org https://downloads.isc.org/isc/bind9/9.21.22
- kb.isc.org https://kb.isc.org/docs/cve-2026-3592
Remediation
- downloads.isc.org https://downloads.isc.org/isc/bind9/9.18.49
- downloads.isc.org https://downloads.isc.org/isc/bind9/9.20.23
- downloads.isc.org https://downloads.isc.org/isc/bind9/9.21.22