Double free in i2o_ECPublicKey

PR: 3338

Double free in i2o_ECPublicKey
PR: 3338
16ba7074 · David Ramos · Matt Caswell · da12bfca · 16ba7074
隐藏空白更改
内联并排

Showing with 5 addition and 2 deletion

crypto/ec/ec_asn1.c crypto/ec/ec_asn1.c +5 -2

未找到文件。
--- a/crypto/ec/ec_asn1.c
+++ b/crypto/ec/ec_asn1.c
@@ -1435,8 +1435,11 @@ int i2o_ECPublicKey(EC_KEY *a, unsigned char **out)
 				*out, buf_len, NULL))
 		{
 		ECerr(EC_F_I2O_ECPUBLICKEY, ERR_R_EC_LIB);
-		OPENSSL_free(*out);
+		if (new_buffer)
-		*out = NULL;
+			{
+			OPENSSL_free(*out);
+			*out = NULL;
+			}
 		return 0;
 		}
 	if (!new_buffer)