| Name | CVE-2022-2929 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3146-1, DSA-5251-1, ELA-704-1 |
| Debian Bugs | 1021320 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| isc-dhcp (PTS) | jessie, jessie (lts) | 4.3.1-6+deb8u6 | fixed |
| stretch (security) | 4.3.5-3+deb9u2 | vulnerable | |
| stretch (lts), stretch | 4.3.5-3+deb9u3 | fixed | |
| buster (security), buster, buster (lts) | 4.4.1-2+deb10u3 | fixed | |
| bullseye | 4.4.1-2.3+deb11u2 | fixed | |
| bullseye (security) | 4.4.1-2.3+deb11u1 | fixed | |
| bookworm | 4.4.3-P1-2 | fixed | |
| sid, trixie | 4.4.3-P1-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| isc-dhcp | source | jessie | 4.3.1-6+deb8u6 | ELA-704-1 | ||
| isc-dhcp | source | stretch | 4.3.5-3+deb9u3 | ELA-704-1 | ||
| isc-dhcp | source | buster | 4.4.1-2+deb10u2 | DLA-3146-1 | ||
| isc-dhcp | source | bullseye | 4.4.1-2.3+deb11u1 | DSA-5251-1 | ||
| isc-dhcp | source | (unstable) | 4.4.3-2.1 | 1021320 |
https://www.openwall.com/lists/oss-security/2022/10/05/1
https://downloads.isc.org/isc/dhcp/4.4.3-P1/patches/
https://downloads.isc.org/isc/dhcp/4.1-ESV-R16-P2/patches/
https://kb.isc.org/docs/cve-2022-2929