CVE-2026-18321

Published: Lug 31, 2026 Last Modified: Lug 31, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 4,7
Attack Vector: local
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high

Description

AI Translation Available

Buffer overflow in NTPsec's Zyfer refclock allows local attacker to crash ntpd

120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Incomplete
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Modify Memory Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu)
Applicable Platforms
Languages: Memory-Unsafe, C, C++, Assembly
View CWE Details
https://gitlab.com/NTPsec/ntpsec/-/work_items/890