CVE-2022-2795

Name: CVE-2022-2795
Creator: NVD / NIST
Published: 2022-09-21T11:15:09.47+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.43%

Last modified Jun 17, 2026

CVE-2022-2795 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.. EPSS estimates a 1.43% chance of exploitation in the next 30 days.

Description

By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.43%

69.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Isc	Bind	>= 9.0.0, < 9.16.33	—
Isc	Bind	>= 9.18.0, < 9.18.7	—
Isc	Bind	>= 9.19.0, < 9.19.5	—
Isc	Bind	9.9.3	S1
Isc	Bind	9.9.12	S1
Isc	Bind	9.9.13	S1
Isc	Bind	9.10.5	S1
Isc	Bind	9.10.7	S1
Isc	Bind	9.11.3	S1
Isc	Bind	9.11.5	S3
Isc	Bind	9.11.6	S1
Isc	Bind	9.11.7	S1
Isc	Bind	9.11.8	S1
Isc	Bind	9.11.12	S1
Isc	Bind	9.11.14-s1	—
Isc	Bind	9.11.19-s1	—
Isc	Bind	9.11.21	S1
Isc	Bind	9.11.27	S1
Isc	Bind	9.11.29	S1
Isc	Bind	9.11.35	S1
Isc	Bind	9.11.37	S1
Isc	Bind	9.16.8	S1
Isc	Bind	9.16.11	S1
Isc	Bind	9.16.13	S1
Isc	Bind	9.16.21	S1
Isc	Bind	9.16.32	S1
Debian	Debian Linux	10.0	—
Debian	Debian Linux	11.0	—
Fedoraproject	Fedora	35	—
Fedoraproject	Fedora	36	—
Fedoraproject	Fedora	37	—

References

http://www.openwall.com/lists/oss-security/2022/09/21/3Mailing List, Patch, Third Party Advisory
https://kb.isc.org/docs/cve-2022-2795Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00007.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/
https://security.gentoo.org/glsa/202210-25Third Party Advisory
https://www.debian.org/security/2022/dsa-5235Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/21/3Mailing List, Patch, Third Party Advisory
https://kb.isc.org/docs/cve-2022-2795Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00007.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/
https://security.gentoo.org/glsa/202210-25Third Party Advisory
https://security.netapp.com/advisory/ntap-20241129-0002/
https://www.debian.org/security/2022/dsa-5235Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2022-2795?

How severe is CVE-2022-2795?

CVE-2022-2795 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.

How do I fix CVE-2022-2795?

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-2022-2795?

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

Scan your code now

Source: NVD / NIST