CVE-2022-2906

Name: CVE-2022-2906
Creator: NVD / NIST
Published: 2022-09-21T11:15:09.62+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.57%

Last modified Jun 17, 2026

CVE-2022-2906 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.57% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.57%

72.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Isc	Bind	>= 9.18.0, < 9.18.7
Isc	Bind	>= 9.19.0, < 9.19.5

References

http://www.openwall.com/lists/oss-security/2022/09/21/3Mailing List, Patch, Third Party Advisory
https://kb.isc.org/docs/cve-2022-2906Patch, Vendor Advisory
https://security.gentoo.org/glsa/202210-25Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/21/3Mailing List, Patch, Third Party Advisory
https://kb.isc.org/docs/cve-2022-2906Patch, Vendor Advisory
https://security.gentoo.org/glsa/202210-25Third Party Advisory

Timeline

Published: Sep 21, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-2906?

How severe is CVE-2022-2906?

CVE-2022-2906 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.57% probability of exploitation in the next 30 days.

How do I fix CVE-2022-2906?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-2906?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST