CVE-2022-2929

Name: CVE-2022-2929
Creator: NVD / NIST
Published: 2022-10-07T05:15:11.32+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2022-2929 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.62%

45.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions	Update
Isc	Dhcp	>= 1.0.0, < 4.1-esv	—
Isc	Dhcp	>= 4.2.0, <= 4.4.3	—
Isc	Dhcp	4.1-esv	R1
Debian	Debian Linux	10.0	—
Fedoraproject	Fedora	35	—
Fedoraproject	Fedora	36	—
Fedoraproject	Fedora	37	—

References

Timeline

Published: Oct 7, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-2929?

How severe is CVE-2022-2929?

CVE-2022-2929 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2022-2929?

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-2022-2929?

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

Scan your code now

Source: NVD / NIST