CVE catalog

CVE-2026-102485

ntpsec affected and fixed versions

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.

Severity: Medium · CVSS 5.2CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Published: Oct 21, 2026, 4:17:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.18% · Oct 27, 2026

Projects and upstream resources

[ntpsec][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence

Original provider fields

{
  "package_releases": [
    {
      "name": "ntpsec",
      "status": "vulnerable",
      "release": "sid",
      "version": "1.2.5+dfsg-1"
    },
    {
      "name": "ntpsec",
      "status": "vulnerable",
      "release": "forky",
      "version": "1.2.5+dfsg-1"
    },
    {
      "name": "ntpsec",
      "status": "vulnerable",
      "release": "trixie",
      "version": "1.2.3+dfsg1-8"
    },
    {
      "name": "ntpsec",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "1.2.2+dfsg1-1+deb12u1"
    },
    {
      "name": "ntpsec",
      "status": "vulnerable",
      "release": "bookworm-security",
      "version": "1.2.2+dfsg1-1+deb12u1"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1151689,
      "name": "ntpsec",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1151689,
      "name": "ntpsec",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1151689,
      "name": "ntpsec",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1151689,
      "name": "ntpsec",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "ntpsec",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "18.04",
      "versions": [
        "1.0.0+dfsg1-1",
        "1.0.0+dfsg1-3",
        "1.1.0+dfsg1-1",
        "1.1.0+dfsg1-1ubuntu0.1",
        "1.1.0+dfsg1-1ubuntu0.2"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2026-102485"
    },
    {
      "name": "ntpsec",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "1.1.3+dfsg1-2",
        "1.1.7+dfsg1-1",
        "1.1.7+dfsg1-2",
        "1.1.8+dfsg1-1",
        "1.1.8+dfsg1-3",
        "1.1.8+dfsg1-4",
        "1.1.8+dfsg1-4build1"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2026-102485"
    },
    {
      "name": "ntpsec",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "22.04",
      "versions": [
        "1.2.0+dfsg1-4",
        "1.2.1+dfsg1-2",
        "1.2.1+dfsg1-3",
        "1.2.1+dfsg1-3ubuntu1",
        "1.2.1+dfsg1-4"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2026-102485"
    },
    {
      "name": "ntpsec",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "24.04",
      "versions": [
        "1.2.2+dfsg1-2",
        "1.2.2+dfsg1-3",
        "1.2.2+dfsg1-4",
        "1.2.2+dfsg1-4build1",
        "1.2.2+dfsg1-4build2"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2026-102485"
    },
    {
      "name": "ntpsec",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "26.10",
      "versions": [
        "1.2.3+dfsg1-8ubuntu2",
        "1.2.3+dfsg1-8ubuntu3"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2026-102485"
    },
    {
      "name": "ntpsec",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "26.04",
      "versions": [
        "1.2.3+dfsg1-8ubuntu1",
        "1.2.3+dfsg1-8ubuntu2"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2026-102485"
    }
  ]
}

[Debian bug #1151689]

Publisher notes

[trixie] ntpsec: Minor issue

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[ntp]Unknown
Source package: [ntpsec]
Details (4)
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
[ntpdate]Unknown
Source package: [ntpsec]
Details (4)
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
[ntp-doc]Unknown
Source package: [ntpsec]
Details (4)
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
[ntpsec]Unknown
Details (4)
- 1.2.2+dfsg1-1+deb12u1 · amd64 · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · arm64 · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · amd64 · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · arm64 · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
[ntpsec-doc]Unknown
Source package: [ntpsec]
Details (4)
- 1.2.2+dfsg1-1+deb12u1 · all · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · all · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · all · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · all · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
[ntpsec-ntpdate]Unknown
Source package: [ntpsec]
Details (4)
- 1.2.2+dfsg1-1+deb12u1 · amd64 · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · arm64 · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · amd64 · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · arm64 · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
[ntpsec-ntpdig]Unknown
Source package: [ntpsec]
Details (4)
- 1.2.2+dfsg1-1+deb12u1 · amd64 · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · arm64 · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · amd64 · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · arm64 · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
[ntpsec-ntpviz]Unknown
Source package: [ntpsec]
Details (4)
- 1.2.2+dfsg1-1+deb12u1 · amd64 · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · arm64 · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · amd64 · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · arm64 · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
[python3-ntp]Unknown
Source package: [ntpsec]
Details (4)
- 1.2.2+dfsg1-1+deb12u1 · amd64 · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · arm64 · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · amd64 · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1.2.2+dfsg1-1+deb12u1 · arm64 · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
[sntp]Unknown
Source package: [ntpsec]
Details (4)
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12
- 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+deb12u1 · all · bookworm-security
  Affected
  dsa · ntpsec · debian · bookworm; dsa · ntpsec · debian · 12

[Debian 13 (Trixie)]

[ntpsec]Unknown
Details (2)
- 1.2.3+dfsg1-8 · amd64 · trixie
  Affected
  dsa · ntpsec · debian · 13
- 1.2.3+dfsg1-8 · arm64 · trixie
  Affected
  dsa · ntpsec · debian · 13
[ntpsec-doc]Unknown
Source package: [ntpsec]
Details (2)
- 1.2.3+dfsg1-8 · all · trixie
  Affected
  dsa · ntpsec · debian · 13
- 1.2.3+dfsg1-8 · all · trixie
  Affected
  dsa · ntpsec · debian · 13
[ntpsec-ntpdate]Unknown
Source package: [ntpsec]
Details (2)
- 1.2.3+dfsg1-8 · amd64 · trixie
  Affected
  dsa · ntpsec · debian · 13
- 1.2.3+dfsg1-8 · arm64 · trixie
  Affected
  dsa · ntpsec · debian · 13
[ntpsec-ntpdig]Unknown
Source package: [ntpsec]
Details (2)
- 1.2.3+dfsg1-8 · amd64 · trixie
  Affected
  dsa · ntpsec · debian · 13
- 1.2.3+dfsg1-8 · arm64 · trixie
  Affected
  dsa · ntpsec · debian · 13
[ntpsec-ntpviz]Unknown
Source package: [ntpsec]
Details (2)
- 1.2.3+dfsg1-8 · amd64 · trixie
  Affected
  dsa · ntpsec · debian · 13
- 1.2.3+dfsg1-8 · arm64 · trixie
  Affected
  dsa · ntpsec · debian · 13
[python3-ntp]Unknown
Source package: [ntpsec]
Details (2)
- 1.2.3+dfsg1-8 · amd64 · trixie
  Affected
  dsa · ntpsec · debian · 13
- 1.2.3+dfsg1-8 · arm64 · trixie
  Affected
  dsa · ntpsec · debian · 13

Observed: Oct 25, 2026, 2:50:46 AM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]