Is CVE-2022-2906 in the CISA KEV catalog?

No. CVE-2022-2906 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-2906?

CVE-2022-2906 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-2906?

CVE-2022-2906 has an EPSS score of 1.65% (74th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-2906?

Upgrade bind9 on debian 12 to 1:9.18.7-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-2906

HIGHEPSS 74th pctl

7.5

CVSS v3

NVD

Description

An attacker can leverage this flaw to gradually erode available memory to the point where named crashes for lack of resources. Upon restart the attacker would have to begin again, but nevertheless there is the potential to deny service.

CWE-401Missing Release of Memory (Memory Leak)

How to fix

Remediation Available

bind9Debian

Fixed in:1:9.18.7-1CVE-2022-2906

bind9Ubuntu

Fixed in:1:9.11.3+dfsg-1ubuntu1.18USN-5626-1

Fixed in:1:9.16.1-0ubuntu2.11USN-5626-1

Fixed in:1:9.18.1-1ubuntu1.2USN-5626-1

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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.65%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

Patch2

Third-Party Advisory1

security.gentoo.org

Related Vulnerabilities

Other CWE-401 (Missing Release of Memory (Memory Leak)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13934	High	7.5	64%	-	Fix
CVE-2016-6304	High	7.5	63%	-	Fix
CVE-2019-12265	Medium	5.3	55%	-	Fix
CVE-2001-0136	Medium	5.0	45%	-	-
CVE-2016-4232	High	7.5	36%	-	-
CVE-2001-0543	Medium	5.0	21%	-	-

Embed a live status badge for CVE-2022-2906

Markdown

[![CVE-2022-2906](https://tridentstack.com/cve/badge/CVE-2022-2906.svg)](https://tridentstack.com/cve/CVE-2022-2906)

HTML

<a href="https://tridentstack.com/cve/CVE-2022-2906"><img src="https://tridentstack.com/cve/badge/CVE-2022-2906.svg" alt="CVE-2022-2906"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2025-05-28.