Nested Loop User Event Crash Vulnerability in Firefox and Thunderbird

CVE-2018-12392 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

When manipulating user events in nested loops while opening a document through script, it is possible to trigger a potentially exploitable crash due to poor event handling. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.

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