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CVE-2021-21775

Опубликовано: 28 июл. 2021
Источник: redhat
CVSS3: 8.8

Описание

A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6webkitgtkOut of support scope
Red Hat Enterprise Linux 7webkitgtk3Out of support scope
Red Hat Enterprise Linux 9webkit2gtk3Not affected
Red Hat Enterprise Linux 7 Extended Lifecycle Supportwebkitgtk4FixedRHSA-2025:1036407.07.2025
Red Hat Enterprise Linux 8webkit2gtk3FixedRHSA-2021:438109.11.2021

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-416
https://bugzilla.redhat.com/show_bug.cgi?id=1986863webkitgtk: Use-after-free in ImageLoader dispatchPendingErrorEvent leading to information leak and possibly code execution

8.8 High

CVSS3

Связанные уязвимости

CVSS3: 8
ubuntu
около 4 лет назад

A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.

CVSS3: 8
nvd
около 4 лет назад

A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.

CVSS3: 8
debian
около 4 лет назад

A use-after-free vulnerability exists in the way certain events are pr ...

CVSS3: 8.8
github
около 3 лет назад

A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.

CVSS3: 8.8
fstec
около 4 лет назад

Уязвимость модуля отображения веб-страниц WebKit, связанная с использованием памяти после её освобождения, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании

8.8 High

CVSS3