Out-of-bounds read in the Motorola Oncore refclock driver in NTPsec ntpd before 1.2.6 allows an attacker who controls the GPS receiver's serial data to crash ntpd or disclose memory via a PPS Control (@@Gc) reply with an out-of-range mode byte.

Project Subscriptions

No data.

Advisories

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Fixes

Solution

Upgrade to version 1.2.6


Workaround

No workaround given by the vendor.

History

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Description Out-of-bounds read in the Motorola Oncore refclock driver in NTPsec ntpd before 1.2.6 allows an attacker who controls the GPS receiver's serial data to crash ntpd or disclose memory via a PPS Control (@@Gc) reply with an out-of-range mode byte.
Title Out-of-bounds Read in ntpsec
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 5.2, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-10-21T15:03:51.277Z

Reserved: 2026-09-29T09:30:13.046Z

Link: CVE-2026-102485

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-21T16:17:14.187

Modified: 2026-10-21T16:17:14.187

Link: CVE-2026-102485

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-21T22:15:11Z

Weaknesses