{"id":"CVE-2019-11708","aliases":[],"url":"https://o3.security/vulnerability/CVE-2019-11708","summary":null,"details":"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":"2019-07-23T14:15:15.327Z","modified":"2026-04-16T04:31:44.891034055Z","cvss":{"score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},"epss":{"score":0.55874,"percentile":0.98964,"asOf":"2026-08-24"},"cisaKev":{"dateAdded":"2022-05-23","dueDate":"2022-06-13","knownRansomwareCampaignUse":false},"exploitsKnown":5,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11708"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201908-12"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2019-19/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2019-20/"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain-Exploit.html"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1559858"}],"provenance":{"sources":["OSV.dev","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2026-04-16T04:31:44.891034055Z"}}