CVE-2016-6170

medium
Published 2016-07-06 ยท Modified 2026-05-06
CVSS v3
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
6.5

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.

Predictions

Exploit likelihood
75%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

redhat Red Hat Affected 3 releases
VersionStatusFixed in
7.0 Affected โ€”
6.0 Affected โ€”
5.0 Affected โ€”
suse SUSE Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 1:9.10.6+dfsg-1
sid Fixed 1:9.10.6+dfsg-1
forky Fixed 1:9.10.6+dfsg-1
bullseye Fixed 1:9.10.6+dfsg-1
bookworm Fixed 1:9.10.6+dfsg-1

Application impact

VendorProductVersionsFixed
iscbind{"startIncluding":"9.0","endIncluding":"9.9.8"}
iscbind9.9.9
iscbind9.10.4
iscbind9.11.0

References

CWEs

CWE-20

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.