CVE-2026-102486

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Source
https://cve.org/CVERecord?id=CVE-2026-102486
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-102486.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-102486
Downstream
Published
2026-10-21T15:04:01Z
Modified
2026-10-22T02:47:55Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Out-of-bounds Read in ntpsec
Details

Out-of-bounds read in NTS extension field parsing in NTPsec ntpd 1.1.4 through 1.2.5 allows a remote attacker to crash the daemon via an NTS Authenticator and Encrypted Extension Fields (AEEF) field with an oversized nonce length.

Database specific 
{
    "cna_assigner":  "GitLab",
    "cwe_ids":  [
        "CWE-125"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102486.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "introduced":  "1.1.4"
                        },
                        {
                            "fixed":  "1.2.6"
                        }
                    ],
                    "source":  "AFFECTED_FIELD",
                    "strategy":  "StandardRange"
                }
            ]
        }
    ]
}
References

Affected packages

Git / gitlab.com/NTPsec/ntpsec

Affected ranges

Type
GIT
Repo
https://gitlab.com/NTPsec/ntpsec
Events
Introduced
79cd18fc56fc902c3a7fd78bcc32ee72f52eb396
Last Affected
42b5703303c8c7e6513f3a119cfab670924dd7be
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "1.1.4"
                },
                {
                    "last_affected":  "1.2.5"
                }
            ],
            "source":  "DESCRIPTION"
        }
    ]
}

Affected versions

Other
NTPsec_1_1_4
NTPsec_1_1_5
NTPsec_1_1_6
NTPsec_1_1_7
NTPsec_1_1_8
NTPsec_1_1_9
NTPsec_1_2_0
NTPsec_1_2_1
NTPsec_1_2_2
NTPsec_1_2_3
NTPsec_1_2_4
NTPsec_1_2_5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-102486.json"