CVE-2016-2518

medium
Published 2017-01-30 ยท Modified 2026-05-13
CVSS v3
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
5.3

Description

The MATCH_ASSOC function in NTP before version 4.2.8p9 and 4.3.x before 4.3.92 allows remote attackers to cause an out-of-bounds reference via an addpeer request with a large hmode value.

Predictions

Exploit likelihood
63%
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

freebsd FreeBSD Affected 4 releases
VersionStatusFixed in
10.3 Affected โ€”
10.2 Affected โ€”
10.1 Affected โ€”
9.3 Affected โ€”
redhat Red Hat Affected 2 releases
VersionStatusFixed in
7.0 Affected โ€”
6.0 Affected โ€”
suse SUSE Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
debian Debian Mixed 4 releases
VersionStatusFixed in
bullseye Fixed 1:4.2.8p7+dfsg-1
10.0 Affected โ€”
9.0 Affected โ€”
8.0 Affected โ€”

Application impact

VendorProductVersionsFixed
ntpntp{"endExcluding":"4.2.8"}4.2.8
ntpntp4.2.8
netappclustered_data_ontap-
netappdata_ontap-
netapponcommand_balance-
netapponcommand_performance_manager-
netapponcommand_unified_manager_for_clustered_data_ontap-
oracle oraclecommunications_user_data_repository10.0.0
oracle oraclecommunications_user_data_repository10.0.1
oracle oraclecommunications_user_data_repository12.0.0

References

CWEs

CWE-125

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

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