diff options
| -rw-r--r-- | ext/standard/math.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ext/standard/math.c b/ext/standard/math.c index bfdade04ca..89c529623c 100644 --- a/ext/standard/math.c +++ b/ext/standard/math.c @@ -752,6 +752,10 @@ _php_math_basetolong(zval *arg, int base) { if (digit >= base) { continue; } + if(!mult || digit > LONG_MAX/mult || num > LONG_MAX-mult*digit) { + php_error(E_WARNING, "base_to_long: number '%s' is too big to fit in long", s); + return LONG_MAX; + } num += mult * digit; } |