| Name | CVE-2011-4528 |
| Description | Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response. |
| 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-2370-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| unbound (PTS) | jessie, jessie (lts) | 1.4.22-3+deb8u4 | fixed |
| stretch | 1.6.0-3+deb9u2 | fixed | |
| buster, buster (lts) | 1.9.0-2+deb10u5 | fixed | |
| buster (security) | 1.9.0-2+deb10u4 | fixed | |
| bullseye | 1.13.1-1+deb11u2 | fixed | |
| bullseye (security) | 1.13.1-1+deb11u4 | fixed | |
| bookworm (security), bookworm | 1.17.1-2+deb12u2 | fixed | |
| sid, trixie | 1.22.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| unbound | source | lenny | 1.4.6-1~lenny2 | DSA-2370-1 | ||
| unbound | source | squeeze | 1.4.6-1+squeeze2 | DSA-2370-1 | ||
| unbound | source | (unstable) | 1.4.14-1 | medium |