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: —
55.9%EPSS · 30 days55.9%
2026-09-162026-10-14
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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