Is CVE-2026-3592 in the CISA KEV catalog?

No. CVE-2026-3592 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-3592?

CVE-2026-3592 has a CVSS v3 base score of 5.3 (Moderate).

What is the EPSS score for CVE-2026-3592?

CVE-2026-3592 has an EPSS score of 0.41% (33th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-3592?

Upgrade bind9 on debian 12 to 1:9.18.49-1~deb12u1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2026-3592

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-408

How to fix

Remediation Available

bind9Debian

Fixed in:1:9.18.49-1~deb12u1CVE-2026-3592

Fixed in:1:9.20.23-1~deb13u1CVE-2026-3592

Fixed in:1:9.20.23-1CVE-2026-3592

bindRed Hat / RHEL

Fixed in:main@x86_64RHSA-2026:20334

Fixed in:main@noarchRHSA-2026:20334

Fixed in:main@aarch64RHSA-2026:20334

Fixed in:main@srcRHSA-2026:20334

bindRocky

Fixed in:main@srcRHSA-2026:20334

Fixed in:main@x86_64RHSA-2026:20334

Fixed in:main@noarchRHSA-2026:20334

Fixed in:main@aarch64RHSA-2026:20334

bind9Ubuntu

Fixed in:1:9.18.39-0ubuntu0.22.04.4USN-8293-1

Fixed in:1:9.18.39-0ubuntu0.24.04.5USN-8293-1

Fixed in:1:9.20.11-1ubuntu2.4USN-8293-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploit Intelligence

0.41%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Patch3

Vendor Advisory1

kb.isc.org

Related Vulnerabilities

Other CWE-408 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-1657	High	7.5	1.3%	-	-
CVE-2022-2576	High	7.5	0.5%	-	-
CVE-2026-41405	High	7.5	0.5%	-	Fix
CVE-2026-41374	Medium	5.3	0.5%	-	Fix
CVE-2026-41331	Medium	5.3	0.3%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-21.