CVE-2026-102485

Medium

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.

SeverityMedium
CVSS5.2
Exploit probability—
ProductNtpsec
PublishedOct 21, 2026
First seenOct 21, 2026

How to fix

Update
  • NTPsec ntpsec1.2.6 or later

Affected products

ProductAffected versionsFixed in
NTPsec ntpsecv < 1.2.61.2.6

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