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CVE-2026-40211

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

Описание

An attacker can send crafted DNS over HTTP/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be possible to open enough concurrent DoH3 streams to trigger an out-of-memory condition, resulting in a denial of service.

EPSS

Процентиль: 22%
0.00296
Низкий

5.3 Medium

CVSS3

Дефекты

CWE-770

Связанные уязвимости

CVSS3: 5.3
ubuntu
около 2 месяцев назад

An attacker can send crafted DNS over HTTP/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be possible to open enough concurrent DoH3 streams to trigger an out-of-memory condition, resulting in a denial of service.

CVSS3: 5.3
debian
около 2 месяцев назад

An attacker can send crafted DNS over HTTP/3 queries, triggering an ex ...

CVSS3: 5.3
github
около 2 месяцев назад

An attacker can send crafted DNS over HTTP/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be possible to open enough concurrent DoH3 streams to trigger an out-of-memory condition, resulting in a denial of service.

EPSS

Процентиль: 22%
0.00296
Низкий

5.3 Medium

CVSS3

Дефекты

CWE-770