1 files changed, 4 insertions, 4 deletions

diff --git a/node_modules/iconv-lite/encodings/utf7.js b/node_modules/iconv-lite/encodings/utf7.js
index b7631c23a..eacae34d5 100644
--- a/node_modules/iconv-lite/encodings/utf7.js
+++ b/node_modules/iconv-lite/encodings/utf7.js
@@ -74,7 +74,7 @@ Utf7Decoder.prototype.write = function(buf) {
                 if (i == lastI && buf[i] == minusChar) {// "+-" -> "+"
                     res += "+";
                 } else {
-                    var b64str = base64Accum + buf.slice(lastI, i).toString();
+                    var b64str = base64Accum + this.iconv.decode(buf.slice(lastI, i), "ascii");
                     res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be");
                 }
 
@@ -91,7 +91,7 @@ Utf7Decoder.prototype.write = function(buf) {
     if (!inBase64) {
         res += this.iconv.decode(buf.slice(lastI), "ascii"); // Write direct chars.
     } else {
-        var b64str = base64Accum + buf.slice(lastI).toString();
+        var b64str = base64Accum + this.iconv.decode(buf.slice(lastI), "ascii");
 
         var canBeDecoded = b64str.length - (b64str.length % 8); // Minimal chunk: 2 quads -> 2x3 bytes -> 3 chars.
         base64Accum = b64str.slice(canBeDecoded); // The rest will be decoded in future.
@@ -245,7 +245,7 @@ Utf7IMAPDecoder.prototype.write = function(buf) {
                 if (i == lastI && buf[i] == minusChar) { // "&-" -> "&"
                     res += "&";
                 } else {
-                    var b64str = base64Accum + buf.slice(lastI, i).toString().replace(/,/g, '/');
+                    var b64str = base64Accum + this.iconv.decode(buf.slice(lastI, i), "ascii").replace(/,/g, '/');
                     res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be");
                 }
 
@@ -262,7 +262,7 @@ Utf7IMAPDecoder.prototype.write = function(buf) {
     if (!inBase64) {
         res += this.iconv.decode(buf.slice(lastI), "ascii"); // Write direct chars.
     } else {
-        var b64str = base64Accum + buf.slice(lastI).toString().replace(/,/g, '/');
+        var b64str = base64Accum + this.iconv.decode(buf.slice(lastI), "ascii").replace(/,/g, '/');
 
         var canBeDecoded = b64str.length - (b64str.length % 8); // Minimal chunk: 2 quads -> 2x3 bytes -> 3 chars.
         base64Accum = b64str.slice(canBeDecoded); // The rest will be decoded in future.