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CVE-2026-74987

Опубликовано: 18 авг. 2026
Источник: nvd
CVSS3: 9.8
EPSS Низкий

Описание

Internally found bugs present in Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Версия до 140.14.0 (исключая)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Версия от 141.0 (включая) до 153.1.0 (исключая)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Версия до 140.14.0 (исключая)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Версия от 141.0 (включая) до 153.1.0 (исключая)

EPSS

Процентиль: 42%
0.00523
Низкий

9.8 Critical

CVSS3

Дефекты

CWE-119

Связанные уязвимости

CVSS3: 9.8
ubuntu
9 дней назад

(Internally found bugs present in Thunderbird ESR 140.13, Thunderbird E ...)

CVSS3: 7.5
redhat
10 дней назад

Internally found bugs present in Thunderbird ESR 140.13, Thunderbird ESR 153.0 and Thunderbird 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

CVSS3: 9.8
debian
9 дней назад

Internally found bugs present in Firefox ESR 140.13, Firefox ESR 153.0 ...

CVSS3: 9.8
github
9 дней назад

Internally found bugs present in Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1.

suse-cvrf
8 дней назад

Security update for MozillaFirefox

EPSS

Процентиль: 42%
0.00523
Низкий

9.8 Critical

CVSS3

Дефекты

CWE-119