CVE-2022-2929
MEDIUMISC DHCP 1.0-4.4.3 and 4.1-ESV-R1-4.1-ESV-R16-P1 - Denial of Service via Oversized FQDN Labels
Title source: llmDescription
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)
Core 6
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/10/msg00015.html
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QQXYCIWUDILRCNBAIMVFCSGXBRKEPB4K/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T6IBFH4MRRNJQVWEKILQ6I6CXWW766FX/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2SARIK7KZ7MGQIWDRWZFAOSQSPXY4GOU/
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202305-22
Vendor Advisory
https://kb.isc.org/docs/cve-2022-2929
Scores
CVSS v3
6.5
EPSS
0.0008
EPSS Percentile
24.0%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-770
Status
published
Products (6)
debian/debian_linux
10.0
fedoraproject/fedora
35
fedoraproject/fedora
36
fedoraproject/fedora
37
isc/dhcp
4.1-esv r1 (29 CPE variants)
isc/dhcp
1.0.0 - 4.1-esv
Published
Oct 07, 2022
Tracked Since
Feb 18, 2026