CVE-2016-7429

low
Published 2017-01-13 ยท Modified 2026-05-13
CVSS v3
3.7
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
3.7

Description

NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.

Predictions

Exploit likelihood
47%
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

suse SUSE Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
arch Arch Fixed 1 release
VersionStatusFixed in
โ€” Fixed 4.2.8.p9-1
debian Debian Fixed 1 release
VersionStatusFixed in
bullseye Fixed 1:4.2.8p9+dfsg-1

Application impact

VendorProductVersionsFixed
ntpntp{"endIncluding":"4.2.8"}

References

CWEs

CWE-18

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

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