Is CVE-2019-11708 actively exploited?

CVE-2019-11708 has no public evidence of in-the-wild exploitation as of 2025-10-27.

What is the CVSS score for CVE-2019-11708?

CVE-2019-11708 has a CVSS score of 10 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

How do I patch CVE-2019-11708?

Patch guidance is available from mozilla security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2019-11708.

Fix CVE-2019-11708 - CRITICAL mozilla firefox

Q: Which products are affected by CVE-2019-11708?

3 products: mozilla firefox, mozilla firefox, mozilla 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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-20 · Improper Input Validation CWE-20 · Improper Input Validation

Metadata

Primary Vendor: MOZILLA
Published: 7/23/2019
Last Modified: 10/27/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2019-11708

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary