VULNERABILITY INTELLIGENCE
CVE-2019-11708
CVSS score10 CRITICAL
EPSS probability55.87%
CISA KEVKnown exploited vulnerability
Published2019-07-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Known Exploited Vulnerability
Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability
Vendor / product: Mozilla / Firefox and Thunderbird
Description
Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process. When combined with additional vulnerabilities this could result in executing arbitrary code on the user's computer. This vulnerability affects Firefox ESR < 60.7.2, Firefox < 67.0.4, and Thunderbird < 60.7.2.
Weakness classification
- nvd@nist.gov: CWE-20
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-20
Primary references
- security@mozilla.org — Third Party Advisory, VDB Entry
- security@mozilla.org — Issue Tracking, Vendor Advisory
- security@mozilla.org — Third Party Advisory
- security@mozilla.org — Vendor Advisory
- security@mozilla.org — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource