CVE-2022-2929: Debian Linux

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

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.

Affected products

• Debian Debian Linux: version 10.0 only
• Fedoraproject Fedora: version 35 only; version 36 only; version 37 only
• ISC Dhcp: from 1.0.0, before 4.1-esv (fixed in 4.1-esv); from 4.2.0, up to and including 4.4.3; version 4.1-esv only

Published 2022-10-07. Last modified 2026-06-17.