Out-of-bounds Read in Ntpsec
CVE-2026-102485
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.
Vulnerability class: Buffer Overflow
Published .
CVSS v3 metric
CVSS v3 base score 5.2 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-102485?
- CVE-2026-102485 is a medium-severity vulnerability in Ntpsec, classified under Out-of-bounds Read. CVSS score: 5.2/10. Published 2026-10-21.
- How severe is CVE-2026-102485?
- Medium severity. CVSS v3 base score is 5.2 out of 10.