1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/evp/e_rc5.c b/crypto/evp/e_rc5.c
index a2f26d8c5f..79b36475ca 100644
--- a/crypto/evp/e_rc5.c
+++ b/crypto/evp/e_rc5.c
@@ -66,6 +66,10 @@ static int rc5_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
 static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
                                const unsigned char *iv, int enc)
 {
+    if (EVP_CIPHER_CTX_key_length(ctx) > 255) {
+        EVPerr(EVP_F_R_32_12_16_INIT_KEY, EVP_R_BAD_KEY_LENGTH);
+        return 0;
+    }
     RC5_32_set_key(&data(ctx)->ks, EVP_CIPHER_CTX_key_length(ctx),
                    key, data(ctx)->rounds);
     return 1;