mimeDecode issue

[nixnutnz]

[24-Jul-2026 04:45:43 Pacific/Auckland] PHP Warning: Uninitialized string offset 0 in /home/serv/public_html/mailwatch/mailscanner/lib/pear/Mail/mimeDecode.php on line 483

the fix

function _parseHeaders($input)
    {
        $return = [];

        if ($input !== '') {
            // Unfold the input
            $input = preg_replace("/\r?\n/", "\r\n", $input);
            $input = preg_replace("/=\r\n(\t| )+/", '=', $input);
            $input = preg_replace("/\r\n(\t| )+/", ' ', $input);

            $headers = explode("\r\n", trim($input));
            $got_start = false;

            foreach ($headers as $value) {
                if (!$got_start) {
                    // munge headers for mbox style from
                    if (!empty($value) && $value[0] == '>') {
                        $value = substr($value, 1); // remove mbox >
                    }
                    if (substr($value, 0, 5) == 'From ') {
                        $value = 'Return-Path: ' . substr($value, 5);
                    } else {
                        $got_start = true;
                    }
                }

                $pos = strpos($value, ':');
                if ($pos !== false) {
                    $hdr_name  = substr($value, 0, $pos);
                    $hdr_value = substr($value, $pos + 1);

                    if (!empty($hdr_value) && $hdr_value[0] == ' ') {
                        $hdr_value = substr($hdr_value, 1);
                    }

                    $return[] = [
                        'name'  => $hdr_name,
                        'value' => $hdr_value,
                    ];
                }
            }
        }

        return $return;
    }