Описание
In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox | Out of support scope | ||
| Red Hat Enterprise Linux 6 | thunderbird | Fixed | RHSA-2020:5238 | 30.11.2020 |
| Red Hat Enterprise Linux 6 | firefox | Fixed | RHSA-2020:5257 | 30.11.2020 |
| Red Hat Enterprise Linux 7 | thunderbird | Fixed | RHSA-2020:5235 | 30.11.2020 |
| Red Hat Enterprise Linux 7 | firefox | Fixed | RHSA-2020:5239 | 30.11.2020 |
| Red Hat Enterprise Linux 8 | thunderbird | Fixed | RHSA-2020:5236 | 30.11.2020 |
| Red Hat Enterprise Linux 8 | firefox | Fixed | RHSA-2020:5237 | 30.11.2020 |
| Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions | thunderbird | Fixed | RHSA-2020:5240 | 30.11.2020 |
| Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions | firefox | Fixed | RHSA-2020:5314 | 01.12.2020 |
| Red Hat Enterprise Linux 8.1 Extended Update Support | thunderbird | Fixed | RHSA-2020:5231 | 30.11.2020 |
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Дополнительная информация
Статус:
EPSS
6.1 Medium
CVSS3
Связанные уязвимости
In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
In some cases, removing HTML elements during sanitization would keep e ...
In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
EPSS
6.1 Medium
CVSS3