UBUNTU-CVE-2026-102484

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2026-102484
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102484.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-102484
Upstream
Published
2026-10-21T16:17:00Z
Modified
2026-10-28T20:16:15Z
Severity
  • 6.4 (Medium) CVSS_V3 - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Heap-based buffer overflow in the JJY refclock driver in NTPsec ntpd before 1.2.6 allows an attacker who controls the Telephone JJY time source to corrupt memory or crash ntpd via more than six time replies.

References

Affected packages

Ubuntu:18.04:LTS
ntpsec

Package

Name
ntpsec
Purl
pkg:deb/ubuntu/ntpsec?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
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 specific 

{
    "binaries":  [
        {
            "binary_name":  "ntpsec",
            "binary_version":  "1.1.0+dfsg1-1ubuntu0.2"
        },
        {
            "binary_name":  "ntpsec-ntpdate",
            "binary_version":  "1.1.0+dfsg1-1ubuntu0.2"
        },
        {
            "binary_name":  "ntpsec-ntpviz",
            "binary_version":  "1.1.0+dfsg1-1ubuntu0.2"
        },
        {
            "binary_name":  "python3-ntp",
            "binary_version":  "1.1.0+dfsg1-1ubuntu0.2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102484.json"
Ubuntu:20.04:LTS
ntpsec

Package

Name
ntpsec
Purl
pkg:deb/ubuntu/ntpsec?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
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 specific 

{
    "binaries":  [
        {
            "binary_name":  "ntpsec",
            "binary_version":  "1.1.8+dfsg1-4build1"
        },
        {
            "binary_name":  "ntpsec-ntpdate",
            "binary_version":  "1.1.8+dfsg1-4build1"
        },
        {
            "binary_name":  "ntpsec-ntpviz",
            "binary_version":  "1.1.8+dfsg1-4build1"
        },
        {
            "binary_name":  "python3-ntp",
            "binary_version":  "1.1.8+dfsg1-4build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102484.json"
Ubuntu:22.04:LTS
ntpsec

Package

Name
ntpsec
Purl
pkg:deb/ubuntu/ntpsec?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
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 specific 

{
    "binaries":  [
        {
            "binary_name":  "ntpsec",
            "binary_version":  "1.2.1+dfsg1-4"
        },
        {
            "binary_name":  "ntpsec-ntpdate",
            "binary_version":  "1.2.1+dfsg1-4"
        },
        {
            "binary_name":  "ntpsec-ntpviz",
            "binary_version":  "1.2.1+dfsg1-4"
        },
        {
            "binary_name":  "python3-ntp",
            "binary_version":  "1.2.1+dfsg1-4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102484.json"
Ubuntu:24.04:LTS
ntpsec

Package

Name
ntpsec
Purl
pkg:deb/ubuntu/ntpsec?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
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 specific 

{
    "binaries":  [
        {
            "binary_name":  "ntp",
            "binary_version":  "1:4.2.8p15+dfsg-2~1.2.2+dfsg1-4build2"
        },
        {
            "binary_name":  "ntpdate",
            "binary_version":  "1:4.2.8p15+dfsg-2~1.2.2+dfsg1-4build2"
        },
        {
            "binary_name":  "ntpsec",
            "binary_version":  "1.2.2+dfsg1-4build2"
        },
        {
            "binary_name":  "ntpsec-ntpdate",
            "binary_version":  "1.2.2+dfsg1-4build2"
        },
        {
            "binary_name":  "ntpsec-ntpdig",
            "binary_version":  "1.2.2+dfsg1-4build2"
        },
        {
            "binary_name":  "ntpsec-ntpviz",
            "binary_version":  "1.2.2+dfsg1-4build2"
        },
        {
            "binary_name":  "python3-ntp",
            "binary_version":  "1.2.2+dfsg1-4build2"
        },
        {
            "binary_name":  "sntp",
            "binary_version":  "1:4.2.8p15+dfsg-2~1.2.2+dfsg1-4build2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102484.json"
Ubuntu:26.04:LTS
ntpsec

Package

Name
ntpsec
Purl
pkg:deb/ubuntu/ntpsec?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.2.3+dfsg1-8ubuntu1
1.2.3+dfsg1-8ubuntu2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "ntpsec",
            "binary_version":  "1.2.3+dfsg1-8ubuntu2"
        },
        {
            "binary_name":  "ntpsec-ntpdate",
            "binary_version":  "1.2.3+dfsg1-8ubuntu2"
        },
        {
            "binary_name":  "ntpsec-ntpdig",
            "binary_version":  "1.2.3+dfsg1-8ubuntu2"
        },
        {
            "binary_name":  "ntpsec-ntpviz",
            "binary_version":  "1.2.3+dfsg1-8ubuntu2"
        },
        {
            "binary_name":  "python3-ntp",
            "binary_version":  "1.2.3+dfsg1-8ubuntu2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102484.json"
Ubuntu:26.10
ntpsec

Package

Name
ntpsec
Purl
pkg:deb/ubuntu/ntpsec?arch=source&distro=stonking

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.2.3+dfsg1-8ubuntu2
1.2.3+dfsg1-8ubuntu3

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "ntpsec",
            "binary_version":  "1.2.3+dfsg1-8ubuntu3"
        },
        {
            "binary_name":  "ntpsec-ntpdate",
            "binary_version":  "1.2.3+dfsg1-8ubuntu3"
        },
        {
            "binary_name":  "ntpsec-ntpdig",
            "binary_version":  "1.2.3+dfsg1-8ubuntu3"
        },
        {
            "binary_name":  "ntpsec-ntpviz",
            "binary_version":  "1.2.3+dfsg1-8ubuntu3"
        },
        {
            "binary_name":  "python3-ntp",
            "binary_version":  "1.2.3+dfsg1-8ubuntu3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102484.json"