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.

References

https://gitlab.com/NTPsec/ntpsec/-/work_items/895

https://gitlab.com/NTPsec/ntpsec/-/commit/22a09b3aec58831a9e4a008f3f22caa155f969c2

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-107311

Details

Source: Mitre, NVD

Published: 2026-10-21

Updated: 2026-10-22

Risk Information

CVSS v2

Base Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.2

Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H