CVE-2026-102486 PUBLISHED

Out-of-bounds Read in ntpsec

Assigner: GitLab
Reserved: 29.09.2026 Published: 21.10.2026 Updated: 21.10.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 7.5

Product Status

Vendor NTPsec
Product ntpsec
Versions Default: unaffected
  • affected from 1.1.4 to 1.2.6 (excl.)

Solutions

Upgrade to version 1.2.6

Credits

  • afldl; Tristan Madani; Kimi Security Team <bug-report@moonshot.ai> finder

References

Problem Types

  • CWE-125: Out-of-bounds Read CWE