description: When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird < 78.5.1.
problem types: Stack overflow due to incorrect parsing of SMTP server response codes
affected:
{
product: Thunderbird
vendor: Mozilla
versions:
status: affected, version: < 78.5.1
}