Add missing bounds check

4e88c9a4 · Paragon Initiative Enterprises · d6e1d5d0 · 4e88c9a4
Commit 4e88c9a4 authored 2 years ago by Paragon Initiative Enterprises
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with 1 addition and 1 deletion
+1 -1
--- a/src/Base32.php
+++ b/src/Base32.php
@@ -196,7 +196,7 @@ abstract class Base32 implements EncoderInterface
            return '';
        }
        if (($srcLen & 7) === 0) {
-            for ($j = 0; $j < 7; ++$j) {
+            for ($j = 0; $j < 7 && $j < $srcLen; ++$j) {
                if ($encodedString[$srcLen - $j] === '=') {
                    throw new InvalidArgumentException(
                        "decodeNoPadding() doesn't tolerate padding"