reject surrogate code points in decoding

2018-01-01 02:36:05 +01:00 · 2018-01-01 02:36:05 +01:00 · 8e6852572c
parent 0857edfef4
commit 8e6852572c
1 changed files with 4 additions and 0 deletions
--- a/src/string.cc
+++ b/src/string.cc
@ -57,6 +57,10 @@ namespace detail {
        if ((ret > MaxCodepoint) || (ret <= ulim[n])) {
            return false;
        }
+        /* invalid sequence - surrogate code point */
+        if ((ret & 0xD800) == 0xD800) {
+            return false;
+        }
        cret = ret;
        r = sr;
        return true;