Vulnerability · Published Oct 21, 2026 · Assigned by GitLab
CVE-2026-102485Out-of-bounds Read in ntpsec
Medium 5.2
In plain English
A medium-severity out-of-bounds read in ntpsec from NTPsec. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)5.2Medium
Exploit odds (30 days)0.2%top 92.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ntpsec | no fix listed | DEBIAN-CVE-2026-102485 |
| Debian:13 | ntpsec | no fix listed | DEBIAN-CVE-2026-102485 |
| Debian:14 | ntpsec | no fix listed | DEBIAN-CVE-2026-102485 |
| Ubuntu:22.04:LTS | ntpsec | no fix listed | UBUNTU-CVE-2026-102485 |
| Ubuntu:24.04:LTS | ntpsec | no fix listed | UBUNTU-CVE-2026-102485 |
| Ubuntu:26.04:LTS | ntpsec | no fix listed | UBUNTU-CVE-2026-102485 |
| Ubuntu:26.10 | ntpsec | no fix listed | UBUNTU-CVE-2026-102485 |
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H