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CVE-2026-39155

Опубликовано: 23 июл. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 6.5

Описание

Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can create an overly broad authenticated denial interval, allowing downstream validating resolvers using aggressive negative caching to synthesize negative answers for legitimate names and causing resolver-side denial of service.

РелизСтатусПримечание
devel

not-affected

3.5.4-2
esm-apps-legacy/xenial

needs-triage

esm-apps/bionic

needs-triage

esm-apps/focal

needs-triage

esm-apps/jammy

needs-triage

esm-apps/noble

needs-triage

esm-apps/resolute

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

Показывать по

EPSS

Процентиль: 5%
0.0015
Низкий

6.5 Medium

CVSS3

Связанные уязвимости

CVSS3: 6.5
nvd
26 дней назад

Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can create an overly broad authenticated denial interval, allowing downstream validating resolvers using aggressive negative caching to synthesize negative answers for legitimate names and causing resolver-side denial of service.

CVSS3: 6.5
debian
26 дней назад

Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability ...

CVSS3: 6.5
github
26 дней назад

Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can create an overly broad authenticated denial interval, allowing downstream validating resolvers using aggressive negative caching to synthesize negative answers for legitimate names and causing resolver-side denial of service.

EPSS

Процентиль: 5%
0.0015
Низкий

6.5 Medium

CVSS3