Описание
When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
A use-after-free flaw was found in Mozilla Firefox and Thunderbird. When following a value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. An attacker could use this flaw to execute code that was stored in the referenced memory or crash the system.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox | Out of support scope | ||
| Red Hat Enterprise Linux 5 | thunderbird | Out of support scope | ||
| Red Hat Enterprise Linux 6 | firefox | Fixed | RHSA-2019:3281 | 31.10.2019 |
| Red Hat Enterprise Linux 6 | thunderbird | Fixed | RHSA-2019:3756 | 06.11.2019 |
| Red Hat Enterprise Linux 7 | firefox | Fixed | RHSA-2019:3193 | 24.10.2019 |
| Red Hat Enterprise Linux 7 | thunderbird | Fixed | RHSA-2019:3210 | 29.10.2019 |
| Red Hat Enterprise Linux 8 | firefox | Fixed | RHSA-2019:3196 | 24.10.2019 |
| Red Hat Enterprise Linux 8 | thunderbird | Fixed | RHSA-2019:3237 | 29.10.2019 |
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Дополнительная информация
Статус:
EPSS
8.8 High
CVSS3
Связанные уязвимости
When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
When following the value's prototype chain, it was possible to retain ...
When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Уязвимость веб-браузеров Firefox, Firefox ESR и почтового клиента Thunderbird, связанная связанна с ошибкой сохранения цепочки файлов, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании
EPSS
8.8 High
CVSS3