Описание
Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
The Mozilla Foundation Security Advisory describes this flaw as:
Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing 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-2021:5014 | 08.12.2021 |
| Red Hat Enterprise Linux 7 | thunderbird | Fixed | RHSA-2021:5046 | 09.12.2021 |
| Red Hat Enterprise Linux 8 | firefox | Fixed | RHSA-2021:5013 | 08.12.2021 |
| Red Hat Enterprise Linux 8 | thunderbird | Fixed | RHSA-2021:5045 | 09.12.2021 |
| Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions | firefox | Fixed | RHSA-2021:5017 | 08.12.2021 |
| Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions | thunderbird | Fixed | RHSA-2021:5055 | 09.12.2021 |
| Red Hat Enterprise Linux 8.2 Extended Update Support | firefox | Fixed | RHSA-2021:5016 | 08.12.2021 |
| Red Hat Enterprise Linux 8.2 Extended Update Support | thunderbird | Fixed | RHSA-2021:5047 | 09.12.2021 |
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Дополнительная информация
Статус:
EPSS
8.8 High
CVSS3
Связанные уязвимости
Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Failure to correctly record the location of live pointers across wasm ...
Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Уязвимость браузера Mozilla Firefox и почтового клиента Mozilla Thunderbird, связанная с использованием памяти после ее освобождения, позволяющая нарушителю выполнить произвольный код
EPSS
8.8 High
CVSS3