A null pointer dereference may have inadvertently occurred in pk12util, and specifically in the SEC_ASN1DecodeItem_Util function, when handling malformed or improperly formatted input files. This vulnerability affects Firefox < 133 and Thunderbird < 133.
{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "133.0+build2-0ubuntu0.20.04.1",
            "binary_name": "firefox"
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        {
            "binary_version": "133.0+build2-0ubuntu0.20.04.1",
            "binary_name": "firefox-dev"
        },
        {
            "binary_version": "133.0+build2-0ubuntu0.20.04.1",
            "binary_name": "firefox-geckodriver"
        },
        {
            "binary_version": "133.0+build2-0ubuntu0.20.04.1",
            "binary_name": "firefox-mozsymbols"
        }
    ]
}