Описание
During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| firefox | fixed | 83.0-1 | package | |
| firefox-esr | fixed | 78.5.0esr-1 | package | |
| thunderbird | fixed | 1:78.5.0-1 | package |
Примечания
https://www.mozilla.org/en-US/security/advisories/mfsa2020-50/#CVE-2020-26959
https://www.mozilla.org/en-US/security/advisories/mfsa2020-51/#CVE-2020-26959
https://www.mozilla.org/en-US/security/advisories/mfsa2020-52/#CVE-2020-26959
EPSS
Связанные уязвимости
During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Уязвимость компонента WebRequestService веб-браузера Firefox и почтового клиента Thunderbird, позволяющая нарушителю вызвать отказ в обслуживании
EPSS