CVE-2026-18321Disclosure

LOWCVSS 4.7 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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

Back to dashboard

0.0/ 10 priority

Sources & remediation

Other references

https://gitlab.com/NTPsec/ntpsec/-/work_items/890

Weakness type (CWE)

CWE-120

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

2 mentions across 1 observed day

What's happening

Technical details provided in 2 signals
Disclosure: 2 classified signals
2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Infoflowcloud@infoflowcloud91d
Disclosure
🚨*CVE* CVE-2026-18321 Buffer overflow in NTPsec's Zyfer refclock allows local attacker to crash ntpd https://www.cve.org/CVERecord?id=CVE-2026-18321 ----- Traducción: CVE-2026-18321 desbordamiento de búfer en el reloj de referencia Zyfer de NTPsec que permite a un atacante l… http://infoflow.cloud`
Post summary
CVE-2026-18321 describes a buffer overflow in NTPsec's Zyfer refclock that lets a local attacker crash ntpd; no PoC, exploit, or patch is detailed.
0000045
96 followersView on X
CVE@CVEnew91d
Disclosure
CVE-2026-18321 Buffer overflow in NTPsec's Zyfer refclock allows local attacker to crash ntpd https://www.cve.org/CVERecord?id=CVE-2026-18321
Post summary
The statement announces a newly disclosed buffer overflow in NTPsec's Zyfer refclock that enables a local attacker to crash ntpd; no PoC, exploit details, or patches are provided.
00000525
57.9K followersView on X

Explore more

Back to dashboard