diff options
Diffstat (limited to 'Objects/unicodeobject.c')
| -rw-r--r-- | Objects/unicodeobject.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c index 1c48197..2e40c27 100644 --- a/Objects/unicodeobject.c +++ b/Objects/unicodeobject.c @@ -2489,8 +2489,13 @@ PyUnicode_FromFormatV(const char *format, va_list vargs) switch (*f) { case 'c': { - Py_UCS4 ordinal = va_arg(count, int); - maxchar = Py_MAX(maxchar, ordinal); + int ordinal = va_arg(count, int); + if (ordinal < 0 || ordinal > MAX_UNICODE) { + PyErr_SetString(PyExc_OverflowError, + "%c arg not in range(0x110000)"); + goto fail; + } + maxchar = Py_MAX(maxchar, (Py_UCS4)ordinal); n++; break; } |