CVE-2026-18321
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in ntpsec
- State
- Published
- Severity
- 4.7 Medium
- Published
- Jul 31, 2026
- Updated
- Jul 31, 2026
- Reserved
- Jul 29, 2026
Description
Buffer overflow in NTPsec's Zyfer refclock allows local attacker to crash ntpd
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.7 Medium | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H | GitLab |
Weaknesses
- CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Affected Products
| Product | Versions |
|---|---|
ntpsecNTPsec |
|
References
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