CVE-2019-11708

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.

• CWE-20
• CWE-20

• http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain-Exploit.htmlThird Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1559858Issue Tracking, Vendor Advisory
• https://security.gentoo.org/glsa/201908-12Third 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.htmlThird Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1559858Issue Tracking, Vendor Advisory
• https://security.gentoo.org/glsa/201908-12Third 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-2019-11708US Government Resource

Published

Jul 23, 2019

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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