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CVE Watch—

CVE-2019-11708

Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability

CVSS

—

No CVSS

EPSS

55.9%

p99

KEV

YES

May 23, 2022

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d
55.9%EPSS · 30 days55.9%
2026-08-022026-08-31
KEV catalog record

Product

Mozilla / Firefox and Thunderbird

Vulnerability

Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability

Added to KEV

May 23, 2022

Remediate by

Jun 13, 2022

Known ransomware use

No

Summary description

Mozilla Firefox and Thunderbird contain a sandbox escape vulnerability that could result in remote code execution.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2019-11708

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