Описание
Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
The Mozilla Foundation Security Advisory describes this flaw as:
Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 5 | thunderbird | Out of support scope | ||
| Red Hat Enterprise Linux 6 | firefox | Out of support scope | ||
| Red Hat Enterprise Linux 6 | thunderbird | Out of support scope | ||
| Red Hat Enterprise Linux 7 | firefox | Fixed | RHSA-2020:5561 | 16.12.2020 |
| Red Hat Enterprise Linux 7 | thunderbird | Fixed | RHSA-2020:5618 | 17.12.2020 |
| Red Hat Enterprise Linux 8 | firefox | Fixed | RHSA-2020:5562 | 16.12.2020 |
| Red Hat Enterprise Linux 8 | thunderbird | Fixed | RHSA-2020:5624 | 17.12.2020 |
| Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions | firefox | Fixed | RHSA-2020:5565 | 16.12.2020 |
| Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions | thunderbird | Fixed | RHSA-2020:5645 | 21.12.2020 |
| Red Hat Enterprise Linux 8.1 Extended Update Support | firefox | Fixed | RHSA-2020:5564 | 16.12.2020 |
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Дополнительная информация
Статус:
8.8 High
CVSS3
Связанные уязвимости
Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
Certain input to the CSS Sanitizer confused it, resulting in incorrect ...
Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
ELSA-2020-5624-1: thunderbird security update (IMPORTANT)
8.8 High
CVSS3