CVE-2026-2771

Опубликовано: 24 фев. 2026

Источник: nvd

CVSS3: 9.8

EPSS Низкий

Описание

Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

Ссылки

https://bugzilla.mozilla.org/show_bug.cgi?id=2014593
Issue Tracking
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-13/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-14/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-15/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-16/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-17/
Vendor Advisory

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*

Версия до 115.33.0 (исключая)

cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

Версия до 148.0 (исключая)

cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*

Версия от 128.0 (включая) до 140.8.0 (исключая)

cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*

Версия до 140.8.0 (исключая)

cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*

Версия до 148.0 (исключая)

EPSS

Процентиль: 19%

0.00061

Низкий

9.8 Critical

CVSS3

Дефекты

NVD-CWE-noinfo

CWE-125

Связанные уязвимости

CVE-2026-2771

CVSS3: 9.8

ubuntu

30 дней назад

Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

CVE-2026-2771

CVSS3: 7.5

redhat

30 дней назад

Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

CVE-2026-2771

CVSS3: 9.8

debian

30 дней назад

Undefined behavior in the DOM: Core & HTML component. This vulnerabili ...

GHSA-m65f-px5x-xq9x

CVSS3: 9.8

github

30 дней назад

Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, and Firefox ESR < 140.8.

openSUSE-SU-2026:20365-1

suse-cvrf

10 дней назад

Security update for MozillaFirefox

EPSS

Процентиль: 19%

0.00061

Низкий

9.8 Critical

CVSS3

Дефекты

NVD-CWE-noinfo

CWE-125