CVE-2019-11708
KEVCRITICAL 10.0EPSS 55.9%
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.
- Affected
- Mozilla · Firefox ESR · Firefox · Thunderbird
- CVSS v3.1 NVD
- 10.0 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS v2.0 NVD
- 10.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 55.87% chance of exploitation in the next 30 days, 99th percentile
- CISA KEV
- added 2022-05-23
- Published
- 2019-07-23
- Updated
- 2025-10-21
Proof-of-concept exploits (3)
- http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain-Exploit…
- 0vercl0k/CVE-2019-11708626★ · 2020-06-13
- Sp0pielar/CVE-2019-97912★ · 2021-09-08
ExploitDB entries (1)
Security advisories
- https://bugzilla.mozilla.org/show_bug.cgi?id=1559858
- https://www.mozilla.org/security/advisories/mfsa2019-19
- https://www.mozilla.org/security/advisories/mfsa2019-20
- https://security.gentoo.org/glsa/201908-12