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CVE-2026-83596

Опубликовано: 31 авг. 2026
Источник: redhat
CVSS3: 8.8

Описание

A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to improper memory handling.

Отчет

To exploit this issue, an attacker needs to trick a user into processing or loading malicious web content. For this reason, this flaw has been rated with an important severity. Additionally, this issue can cause memory corruption and the possibility of remote code execution is not discarded.

Меры по смягчению последствий

Do not process or load untrusted web content with WebKitGTK. In Red Hat Enterprise Linux 7, the following packages require WebKitGTK4: evolution-data-server, glade, gnome-boxes, gnome-initial-setup, gnome-online-accounts, gnome-shell, shotwell, sushi and yelp. This vulnerability can only be exploited when these packages are installed in the system and being used via a graphical interface to process untrusted web content, via GNOME for example. In gnome-shell, the vulnerability can be exploited by an attacker from the local network without user interaction. To mitigate this vulnerability, consider removing these packages. Note that some of these packages are required by GNOME, removing them will also remove GNOME and other packages, breaking functionality. However, the server can still be used via the terminal interface. Additionally, WebKitGTK3 is not required by any package. Therefore, it can be removed without consequences or break of functionality.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6webkitgtkOut of support scope
Red Hat Enterprise Linux 7webkitgtk3Affected
Red Hat Enterprise Linux 7webkitgtk4Affected
Red Hat Enterprise Linux 8webkit2gtk3Affected
Red Hat Enterprise Linux 9webkit2gtk3Affected

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Дополнительная информация

Статус:

Important
Дефект:
CWE-120
https://bugzilla.redhat.com/show_bug.cgi?id=2526490webkitgtk: Validate the full FeatureList array once in OpenTypeVerticalData findFeature

8.8 High

CVSS3

Связанные уязвимости

CVSS3: 8.8
ubuntu
16 дней назад

A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to improper memory handling.

CVSS3: 8.8
nvd
16 дней назад

A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to improper memory handling.

CVSS3: 8.8
debian
16 дней назад

A flaw was found in WebKitGTK. Processing malicious web content can ca ...

CVSS3: 8.8
github
16 дней назад

A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to improper memory handling.

8.8 High

CVSS3