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CVE-2026-38755

Опубликовано: 15 июл. 2026
Источник: redhat
CVSS3: 5.5

Описание

A heap overflow in the evalcommand() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.

A flaw was found in Busybox. A heap overflow vulnerability in the evalcommand() function allows attackers to cause a Denial of Service (DoS) by supplying a specially crafted input. This can lead to the unavailability of the service.

Отчет

This Moderate impact flaw in Busybox's evalcommand() function can lead to a Denial of Service. The vulnerability requires an attacker to supply specially crafted input, which typically implies existing local access or specific application interactions within the Busybox environment, thus limiting the direct exposure.

Меры по смягчению последствий

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6busyboxOut of support scope
Red Hat Hardened Imagesbusybox-main-1.37.0-8.2.hum1FixedRHSA-2026:4207420.07.2026

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-120
https://bugzilla.redhat.com/show_bug.cgi?id=2501194busybox: Busybox: Denial of Service via heap overflow in evalcommand() function

5.5 Medium

CVSS3

Связанные уязвимости

CVSS3: 2.9
ubuntu
22 дня назад

A heap overflow in the evalcommand() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.

CVSS3: 2.9
nvd
22 дня назад

A heap overflow in the evalcommand() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.

CVSS3: 7.5
msrc
17 дней назад

A heap overflow in the evalcommand() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.

CVSS3: 2.9
debian
22 дня назад

A heap overflow in the evalcommand() function (shell/ash.c) of Busybox ...

CVSS3: 7.5
github
22 дня назад

A heap overflow in the evalcommand() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.

5.5 Medium

CVSS3