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CVE-2026-4438

Опубликовано: 20 мар. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 5.4

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.

РелизСтатусПримечание
devel

DNE

esm-infra-legacy/trusty

needs-triage

jammy

DNE

noble

DNE

questing

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

needs-triage

esm-infra/bionic

needs-triage

esm-infra/focal

needs-triage

esm-infra/xenial

needs-triage

jammy

needs-triage

noble

needs-triage

questing

needs-triage

upstream

needs-triage

Показывать по

EPSS

Процентиль: 7%
0.00026
Низкий

5.4 Medium

CVSS3

Связанные уязвимости

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: 5.4
nvd
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

Уязвимость CVE-2026-4438