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CVE-2026-8959

Опубликовано: 19 мая 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 9.6

Описание

Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

РелизСтатусПримечание
devel

not-affected

code not present
jammy

not-affected

code not present
noble

not-affected

code not present
questing

not-affected

code not present
resolute

not-affected

code not present
upstream

not-affected

debian: Only affects Firefox on Windows

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/noble

ignored

jammy

ignored

noble

ignored

questing

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

ignored

questing

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/bionic

needs-triage

jammy

DNE

noble

DNE

questing

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/focal

ignored

esm-infra/bionic

ignored

jammy

DNE

noble

DNE

questing

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

ignored

jammy

DNE

noble

DNE

questing

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/jammy

ignored

jammy

ignored

noble

DNE

questing

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

ignored

noble

DNE

questing

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

not-affected

code not present
jammy

needed

noble

not-affected

code not present
questing

not-affected

code not present
resolute

not-affected

code not present
upstream

not-affected

debian: Only affects Thunderbird on Windows

Показывать по

EPSS

Процентиль: 34%
0.00417
Низкий

9.6 Critical

CVSS3

Связанные уязвимости

CVSS3: 6.1
redhat
2 месяца назад

Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

CVSS3: 9.6
nvd
2 месяца назад

Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

CVSS3: 9.6
debian
2 месяца назад

Sandbox escape due to incorrect boundary conditions in the Widget: Win ...

CVSS3: 9.6
github
2 месяца назад

Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

rocky
около 2 месяцев назад

Important: thunderbird security update

EPSS

Процентиль: 34%
0.00417
Низкий

9.6 Critical

CVSS3