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CVE-2019-11708
CRITICAL
CISA KEV
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.
Published: Jul 23, 2019
Modified: Jun 17, 2026
CWE-20
CWE-20
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected Products (3)
| Vendor | Product | Version |
|---|---|---|
| mozilla | firefox | * < 60.7.2 |
| mozilla | firefox | * < 67.0.4 |
| mozilla | thunderbird | * < 60.7.2 |
GitHub Security Advisory GHSA-w2hj-6j62-2w9f
Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and...
References (11)
- http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain-Exploit.html Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1559858 Issue Tracking, Vendor Advisory
- https://security.gentoo.org/glsa/201908-12 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-19/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-20/ Vendor Advisory
- http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain-Exploit.html Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1559858 Issue Tracking, Vendor Advisory
- https://security.gentoo.org/glsa/201908-12 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-19/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-20/ Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11708 US Government Resource
Risk Scores
CVSS Score
10.0 / 10
EPSS Score
55.87%
Top 1% most likely to be exploited
Threat Score
86.8 / 100
CISA Known Exploited
Date Added:
2022-05-23
Due Date:
2022-06-13
Required Action:
Apply updates per vendor instructions.
Data Sources
NVD
CISA KEV
EPSS
GitHub