CVE-2022-2881

Buffer overread in statistics channel code

Description

The underlying bug might cause read past end of the buffer and either read memory it should not read, or crash the process.

Remediation

Solution:

  • Upgrade to the patched release most closely related to your current version of BIND: BIND 9.18.7 or BIND 9.19.5.

Workaround:

  • Disable the statistics channel.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.38%
Vendor Advisory gentoo.org Vendor Advisory isc.org
Affected: ISC BIND9
Published at:
Updated at:

References

Link Tags
https://kb.isc.org/docs/cve-2022-2881 vendor advisory patch
http://www.openwall.com/lists/oss-security/2022/09/21/3 third party advisory mailing list patch
https://security.gentoo.org/glsa/202210-25 vendor advisory third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-2881?
CVE-2022-2881 has been scored as a medium severity vulnerability.
How to fix CVE-2022-2881?
To fix CVE-2022-2881: Upgrade to the patched release most closely related to your current version of BIND: BIND 9.18.7 or BIND 9.19.5.
Is CVE-2022-2881 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-2881 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-2881?
CVE-2022-2881 affects ISC BIND9.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.