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CVE-2026-0891

Опубликовано: 13 янв. 2026
Источник: debian

Описание

Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
firefoxfixed147.0-1package
firefox-esrfixed140.7.0esr-1package
thunderbirdfixed1:140.7.0esr-1package

Примечания

  • https://www.mozilla.org/en-US/security/advisories/mfsa2026-01/#CVE-2026-0891

  • https://www.mozilla.org/en-US/security/advisories/mfsa2026-03/#CVE-2026-0891

  • https://www.mozilla.org/en-US/security/advisories/mfsa2026-05/#CVE-2026-0891

Связанные уязвимости

CVSS3: 8.1
ubuntu
22 дня назад

Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

CVSS3: 8.1
nvd
22 дня назад

Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

CVSS3: 8.1
github
22 дня назад

Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 147 and Firefox ESR < 140.7.

CVSS3: 8.1
fstec
22 дня назад

Уязвимость браузеров Mozilla Firefox, Firefox ESR, почтовых клиентов Thunderbird и Thunderbird ESR, связанная с выходом операции за границы буфера в памяти, позволяющая нарушителю выполнить произвольный код

suse-cvrf
20 дней назад

Security update for MozillaFirefox