| Name | CVE-2016-6170 |
| Description | ISC BIND through 9.9.9-P1, 9.10.x through 9.10.4-P1, and 9.11.x through 9.11.0b1 allows primary DNS servers to cause a denial of service (secondary DNS server crash) via a large AXFR response, and possibly allows IXFR servers to cause a denial of service (IXFR client crash) via a large IXFR response and allows remote authenticated users to cause a denial of service (primary DNS server crash) via a large UPDATE message. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 830810 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| bind9 (PTS) | bullseye | 1:9.16.50-1~deb11u2 | fixed |
| bullseye (security) | 1:9.16.50-1~deb11u1 | fixed |
| bookworm, bookworm (security) | 1:9.18.28-1~deb12u2 | fixed |
| sid, trixie | 1:9.20.4-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| bind9 | source | (unstable) | 1:9.10.6+dfsg-1 | unimportant | | 830810 |
Notes
Not fixed upstream, proposed patches below are unofficial:
Fixed by https://github.com/sischkg/xfer-limit/blob/master/bind-9.10.3-xfer-limit-0.0.1.patch
Fixed by https://github.com/sischkg/xfer-limit/blob/master/bind-9.9.9-P1-xfer-limit-0.0.1.patch
Negligible security impact