A use-after-free vulnerability with content viewer listeners that results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
{
"availability": "No subscription required",
"binaries": [
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"binary_name": "firefox",
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"availability": "No subscription required",
"binaries": [
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"binary_name": "xul-ext-lightning",
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"availability": "No subscription required",
"binaries": [
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{
"availability": "No subscription required",
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"binary_name": "xul-ext-lightning",
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}