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CVE-2026-18321

Опубликовано: 31 июл. 2026
Источник: redhat
CVSS3: 4.7

Описание

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

A flaw was found in NTPsec. A local attacker could exploit a buffer overflow vulnerability in the Zyfer refclock component, leading to the ntpd daemon crashing. This could result in a denial of service (DoS), making the network time synchronization service unavailable.

Отчет

This flaw does not affect Red Hat Products, it only affects community projects.

Дополнительная информация

Статус:

Low
Дефект:
CWE-120
https://bugzilla.redhat.com/show_bug.cgi?id=2509863ntpsec: NTPsec: Denial of Service via buffer overflow in Zyfer refclock

4.7 Medium

CVSS3

Связанные уязвимости

CVSS3: 4.7
ubuntu
16 дней назад

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

CVSS3: 4.7
nvd
16 дней назад

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

CVSS3: 4.7
debian
16 дней назад

Buffer overflow in NTPsec's Zyfer refclock allows local attacker to cr ...

CVSS3: 4.7
github
16 дней назад

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

4.7 Medium

CVSS3