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.
2019-07-23T14:15:15.327
2025-10-27T17:04:17.253
Analyzed
CVSSv3.1: 10.0 (CRITICAL)
AV:N/AC:L/Au:N/C:C/I:C/A:C
10.0
10.0
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | mozilla | firefox | < 60.7.2 | Yes |
| Application | mozilla | firefox | < 67.0.4 | Yes |
| Application | mozilla | thunderbird | < 60.7.2 | Yes |