Is CVE-2026-3119 in the CISA KEV catalog?

No. CVE-2026-3119 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-3119?

CVE-2026-3119 has a CVSS v3 base score of 6.5 (Moderate).

What is the EPSS score for CVE-2026-3119?

CVE-2026-3119 has an EPSS score of 0.58% (43th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-3119?

Upgrade bind9 on debian 13 to 1:9.20.21-1~deb13u1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2026-3119

MEDIUM

6.5

CVSS v3

NVD

Description

Under certain conditions, `named` may crash when processing a correctly signed query containing a TKEY record. The affected code can only be reached if an incoming request has a valid transaction signature (TSIG) from a key declared in the `named` configuration. This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1. BIND 9 versions 9.18.0 through 9.18.46 and 9.18.11-S1 through 9.18.46-S1 are NOT affected.

CWE-617

How to fix

Remediation Available

bind9Debian

Fixed in:1:9.20.21-1~deb13u1CVE-2026-3119

Fixed in:1:9.20.21-1CVE-2026-3119

bind9Ubuntu

Fixed in:1:9.18.39-0ubuntu0.22.04.3USN-8124-1

Fixed in:1:9.18.39-0ubuntu0.24.04.3USN-8124-1

Fixed in:1:9.20.11-1ubuntu2.2USN-8124-1

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.58%probability of exploitation in 30 days

43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Patch2

Vendor Advisory1

kb.isc.org

Related Vulnerabilities

Other CWE-617 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-8617	High	7.5	93%	-	Fix
CVE-2020-36222	High	7.5	78%	-	Fix
CVE-2006-5779	High	7.5	75%	-	Fix
CVE-2021-27212	High	7.5	64%	-	Fix
CVE-2018-5740	High	7.5	59%	-	Fix
CVE-2023-28425	Medium	5.5	55%	-	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.