diff options
| -rw-r--r-- | Objects/unicodeobject.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c index f15e7cd..4def537 100644 --- a/Objects/unicodeobject.c +++ b/Objects/unicodeobject.c @@ -8847,6 +8847,15 @@ formatfloat(Py_UNICODE *buf, return -1; if (prec < 0) prec = 6; + /* make sure that the decimal representation of precision really does + need at most 10 digits: platforms with sizeof(int) == 8 exist! */ + if (prec > 0x7fffffffL) { + PyErr_SetString(PyExc_OverflowError, + "outrageously large precision " + "for formatted float"); + return -1; + } + if (type == 'f' && fabs(x) >= 1e50) type = 'g'; /* Worst case length calc to ensure no buffer overrun: |