A memory allocation check was missing which would lead to a use-after-free if the allocation failed. This could have triggered a crash or potentially be leveraged to achieve code execution. This vulnerability affects Firefox < 126.
{
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"binary_version": "126.0+build2-0ubuntu0.20.04.1",
"binary_name": "firefox"
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{
"binary_version": "126.0+build2-0ubuntu0.20.04.1",
"binary_name": "firefox-dev"
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{
"binary_version": "126.0+build2-0ubuntu0.20.04.1",
"binary_name": "firefox-geckodriver"
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{
"binary_version": "126.0+build2-0ubuntu0.20.04.1",
"binary_name": "firefox-mozsymbols"
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],
"availability": "No subscription required"
}