CVE-2019-11708

Mozilla: Sandbox escape using Prompt:Open

Published Jul 23, 2019 CVSS 3.1 · 10.0 Critical EPSS 55.9% KEV · Listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1836-1 thunderbird security update
Debian DSA Debian DSA DSA-4471-1 thunderbird security update
Debian DSA Debian DSA DSA-4474-1 firefox-esr security update
Ubuntu USN Ubuntu USN USN-4032-1 Firefox vulnerability
Ubuntu USN Ubuntu USN USN-4045-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Vendors & Products Mozilla firefox Esr
Type Values Removed Values Added
Metrics epss

{'score': 0.65682}

epss

{'score': 0.53987}

Type Values Removed Values Added
Metrics epss

{'score': 0.62964}

epss

{'score': 0.65682}

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2022-05-23'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Oct 21, 2025, 11:45 PM
Reserved
May 3, 2019, 12:00 AM
Status
Analyzed
Published
Jul 23, 2019, 2:15 PM
Modified
Jun 17, 2026, 2:13 AM
Severity
Important
Public date
Jun 20, 2019, 12:00 AM