Описание
Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
The Mozilla Foundation Security Advisory describes this flaw as:
Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| 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-2021:0290 | 28.01.2021 |
| Red Hat Enterprise Linux 7 | thunderbird | Fixed | RHSA-2021:0297 | 28.01.2021 |
| Red Hat Enterprise Linux 8 | firefox | Fixed | RHSA-2021:0288 | 27.01.2021 |
| Red Hat Enterprise Linux 8 | thunderbird | Fixed | RHSA-2021:0298 | 28.01.2021 |
| Red Hat Enterprise Linux 8.1 Extended Update Support | firefox | Fixed | RHSA-2021:0285 | 27.01.2021 |
| Red Hat Enterprise Linux 8.1 Extended Update Support | thunderbird | Fixed | RHSA-2021:0397 | 03.02.2021 |
| Red Hat Enterprise Linux 8.2 Extended Update Support | firefox | Fixed | RHSA-2021:0289 | 27.01.2021 |
| Red Hat Enterprise Linux 8.2 Extended Update Support | thunderbird | Fixed | RHSA-2021:0299 | 28.01.2021 |
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Дополнительная информация
Статус:
EPSS
8.8 High
CVSS3
Связанные уязвимости
Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
Performing garbage collection on re-declared JavaScript variables resu ...
Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, связанная с некорректной обработкой нулевых байтов или символов NULL при обмене данными, позволяющая нарушителю повысить свои привилегии или вызвать отказ в обслуживании
EPSS
8.8 High
CVSS3