CVE-2022-2929
MEDIUMCVSS 6.5/10EPSS 0.62%
Last modified
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
Weakness Enumeration
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
- https://kb.isc.org/docs/cve-2022-2929Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00015.htmlMailing List, Third Party Advisory
- https://kb.isc.org/docs/cve-2022-2929Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00015.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-2929?
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.
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2022-2929?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST