CVE-2026-102486CWE-125

CVE-2026-102486

High · published October 21, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
54.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00750 · 54.4th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-10-21T20:17Z
References (3)
https://gitlab.com/NTPsec/ntpsec/-/commit/7cc079387 · [email protected]https://gitlab.com/NTPsec/ntpsec/-/work_items/891 · [email protected]https://gitlab.com/NTPsec/ntpsec/-/work_items/895 · [email protected]
EPSS history
Timeline
  • 23 OCT 03:54Z
    EPSS moved — → 1%
    epss
  • 21 OCT 15:04Z
    Out-of-bounds Read in ntpsec
    cvelistv5
  • 21 OCT 15:04Z
    Out-of-bounds Read in ntpsec
    cvelistv5