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CVE-2026-4721

Опубликовано: 24 мар. 2026
Источник: nvd
CVSS3: 9.8
CVSS3: 7.5
EPSS Низкий

Описание

Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Версия до 115.34.0 (исключая)
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
Версия до 149.0 (исключая)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Версия от 128.0 (включая) до 140.9.0 (исключая)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
Версия до 140.9.0 (исключая)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
Версия до 149.0 (исключая)

EPSS

Процентиль: 35%
0.00424
Низкий

9.8 Critical

CVSS3

7.5 High

CVSS3

Дефекты

CWE-120
CWE-825

Связанные уязвимости

CVSS3: 9.8
ubuntu
4 месяца назад

Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

CVSS3: 7.5
redhat
4 месяца назад

Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

CVSS3: 9.8
debian
4 месяца назад

Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, T ...

CVSS3: 9.8
redos
около 2 месяцев назад

Уязвимость thunderbird

CVSS3: 9.8
redos
около 2 месяцев назад

Уязвимость firefox

EPSS

Процентиль: 35%
0.00424
Низкий

9.8 Critical

CVSS3

7.5 High

CVSS3

Дефекты

CWE-120
CWE-825