{"id":"CVE-2026-102486","title":"Out-of-bounds Read in ntpsec","summary":"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.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-125"],"vendor":"NTPsec","product":"ntpsec","affected":["ntpsec >= 1.1.4 < 1.2.6"],"published":"2026-10-21","updated":"2026-10-21","sourceUpdated":"2026-10-21T15:04:01.274Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-102486","references":[{"url":"https://gitlab.com/NTPsec/ntpsec/-/work_items/891"},{"url":"https://gitlab.com/NTPsec/ntpsec/-/work_items/895"},{"url":"https://gitlab.com/NTPsec/ntpsec/-/commit/7cc079387"}],"tags":["cve.org"],"ingestedAt":"2026-10-21T16:05:17.710Z","slug":"CVE-2026-102486","body":"## Overview\n\nOut-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.\n\n## Affected\n\n- `ntpsec >= 1.1.4 < 1.2.6`\n\n## Remediation\n\nUpgrade to version 1.2.6","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}