5.2

CVE-2026-102485: ntpsec Out-of-bounds Read

CVSS: 5.2v3.1MediumReceived
Published 21-10-2026Last modified 21-10-2026

Vulnerability summary

CVE-2026-102485 is a medium (CVSS 5.2) Out-of-bounds Read vulnerability in ntpsec.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.2/10
010
Medium · v3.1 (CVE.org)
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-10-2026
    PublishedVulnerability first disclosed.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ntpsec1 product

1 vendor · 1 product

References

2 links