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CVE-2026-4438

Опубликовано: 20 мар. 2026
Источник: nvd
CVSS3: 5.4
EPSS Низкий

Описание

Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification.

Ссылки

Уязвимые конфигурации

Конфигурация 1
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
Версия от 2.34 (включая) до 2.43 (включая)

EPSS

Процентиль: 7%
0.00026
Низкий

5.4 Medium

CVSS3

Дефекты

CWE-20
CWE-88

Связанные уязвимости

CVSS3: 5.4
ubuntu
20 дней назад

Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification.

CVSS3: 4
redhat
20 дней назад

Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification.

CVSS3: 5.9
msrc
17 дней назад

gethostbyaddr and gethostbyaddr_r return invalid DNS hostnames

CVSS3: 5.4
debian
20 дней назад

Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.co ...

CVSS3: 5.4
github
20 дней назад

Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification.

EPSS

Процентиль: 7%
0.00026
Низкий

5.4 Medium

CVSS3

Дефекты

CWE-20
CWE-88