CVE-2026-102484

Heap-based Buffer Overflow in ntpsec

MEDIUM
6.4
CVSS Score
Published: October 21, 2026 at 03:03 PM UTC
Updated: October 22, 2026 at 04:18 PM UTC
1 product affected across 1 vendorNTPSec

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Severity
MEDIUM6.4
Exploit prediction
EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

CVSS

6.4MEDIUMGitLab
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-122

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