CVE-2022-2929

MEDIUM

ISC Dhcp < 4.1-esv - Resource Allocation Without Limits

Title source: rule

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.

References (6)

[Vendor Advisory] https://kb.isc.org/docs/cve-2022-2929

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2022/10/msg00015.html

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2SARIK7KZ7MGQIWDRWZFAOSQSPXY4GOU/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QQXYCIWUDILRCNBAIMVFCSGXBRKEPB4K/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T6IBFH4MRRNJQVWEKILQ6I6CXWW766FX/

[Third Party Advisory] https://security.gentoo.org/glsa/202305-22

Scores

CVSS v3 6.5

EPSS 0.0005

EPSS Percentile 16.5%

Attack Vector ADJACENT_NETWORK

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

Classification

CWE

CWE-770

Status published

Affected Products (34)

isc/dhcp < 4.1-esv

isc/dhcp

... and 19 more

Timeline

Published Oct 07, 2022

Tracked Since Feb 18, 2026