May 23, 2022 · Applied Cybernetics Group
CVE-2019-11708 — Mozilla Firefox and Thunderbird
Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability
- Added to KEV
2022-05-23- Federal due date
2022-06-13- Vendor
- Mozilla
- Product
- Firefox and Thunderbird
- EPSS
- 98.9th percentile (score 0.559, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2019-11708
CISA short description
Mozilla Firefox and Thunderbird contain a sandbox escape vulnerability that could result in remote code execution.
Required action
Apply updates per vendor instructions.