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CVE-2026-40209

Опубликовано: 25 июн. 2026
Источник: nvd
CVSS3: 5.3
EPSS Низкий

Описание

An attacker might be able to cause outgoing TCP connections to backend to be stuck until a timeout occurs instead of being released immediately, by sending IXFR queries. This could be used to cause a denial of service if there is a limit to the number of concurrent connections to this backend, or if the process runs out of file descriptors.

EPSS

Процентиль: 22%
0.0029
Низкий

5.3 Medium

CVSS3

Дефекты

CWE-772

Связанные уязвимости

CVSS3: 5.3
ubuntu
около 2 месяцев назад

An attacker might be able to cause outgoing TCP connections to backend to be stuck until a timeout occurs instead of being released immediately, by sending IXFR queries. This could be used to cause a denial of service if there is a limit to the number of concurrent connections to this backend, or if the process runs out of file descriptors.

CVSS3: 5.3
debian
около 2 месяцев назад

An attacker might be able to cause outgoing TCP connections to backend ...

CVSS3: 5.3
github
около 2 месяцев назад

An attacker might be able to cause outgoing TCP connections to backend to be stuck until a timeout occurs instead of being released immediately, by sending IXFR queries. This could be used to cause a denial of service if there is a limit to the number of concurrent connections to this backend, or if the process runs out of file descriptors.

suse-cvrf
13 дней назад

Security update for dnsdist

EPSS

Процентиль: 22%
0.0029
Низкий

5.3 Medium

CVSS3

Дефекты

CWE-772