CVE-2026-102485

Name	CVE-2026-102485
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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ntpsec (PTS)	bookworm, bookworm (security)	1.2.2+dfsg1-1+deb12u1	vulnerable
	trixie	1.2.3+dfsg1-8	vulnerable
	forky, sid	1.2.5+dfsg-1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
ntpsec	source	(unstable)	(unfixed)

https://blog.ntpsec.org/2026/10/20/version-1.2.6.html