| Name | CVE-2012-3955 |
| Description | ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of service (daemon crash) in opportunistic circumstances by establishing an IPv6 lease in an environment where the lease expiration time is later reduced. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-2551-1 |
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 | fixed | |
| 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 | squeeze | 4.1.1-P1-15+squeeze8 | DSA-2551-1 | ||
| isc-dhcp | source | wheezy | 4.2.2.dfsg.1-5+deb70u1 | |||
| isc-dhcp | source | (unstable) | 4.2.4-2 |