diff --git a/ext/intl/collator/collator_sort.c b/ext/intl/collator/collator_sort.c
index ee68a21c989..215f150c4fa 100644
--- a/ext/intl/collator/collator_sort.c
+++ b/ext/intl/collator/collator_sort.c
@@ -553,6 +553,7 @@ PHP_FUNCTION( collator_get_sort_key )
 	key_len = ucol_getSortKey(co->ucoll, ustr, ustr_len, (uint8_t*)ZSTR_VAL(key_str), key_len);
 	efree( ustr );
 	if(!key_len) {
+		zend_string_efree(key_str);
 		RETURN_FALSE;
 	}
 	ZSTR_LEN(key_str) = key_len - 1;
diff --git a/ext/openssl/openssl_backend_common.c b/ext/openssl/openssl_backend_common.c
index 184ea2e205c..470d7ac50a7 100644
--- a/ext/openssl/openssl_backend_common.c
+++ b/ext/openssl/openssl_backend_common.c
@@ -1671,7 +1671,7 @@ zend_result php_openssl_validate_iv(const char **piv, size_t *piv_len, size_t iv
 	char *iv_new;
 
 	if (mode->is_aead) {
-		if (EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_ivlen_flag, *piv_len, NULL) != 1) {
+		if (EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_ivlen_flag, *piv_len, NULL) <= 0) {
 			php_error_docref(NULL, E_WARNING, "Setting of IV length for AEAD mode failed");
 			return FAILURE;
 		}
@@ -1742,7 +1742,7 @@ zend_result php_openssl_cipher_init(const EVP_CIPHER *cipher_type,
 		return FAILURE;
 	}
 	if (mode->set_tag_length_always || (enc && mode->set_tag_length_when_encrypting)) {
-		if (!EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_set_tag_flag, tag_len, NULL)) {
+		if (EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_set_tag_flag, tag_len, NULL) <= 0) {
 			php_error_docref(NULL, E_WARNING, "Setting tag length for AEAD cipher failed");
 			return FAILURE;
 		}
@@ -1750,7 +1750,7 @@ zend_result php_openssl_cipher_init(const EVP_CIPHER *cipher_type,
 	if (!enc && tag && tag_len > 0) {
 		if (!mode->is_aead) {
 			php_error_docref(NULL, E_WARNING, "The tag cannot be used because the cipher algorithm does not support AEAD");
-		} else if (!EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_set_tag_flag, tag_len, (unsigned char *) tag)) {
+		} else if (EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_set_tag_flag, tag_len, (unsigned char *) tag) <= 0) {
 			php_error_docref(NULL, E_WARNING, "Setting tag for AEAD cipher decryption failed");
 			return FAILURE;
 		}
@@ -1886,7 +1886,7 @@ PHP_OPENSSL_API zend_string* php_openssl_encrypt(
 		if (mode.is_aead && tag) {
 			zend_string *tag_str = zend_string_alloc(tag_len, 0);
 
-			if (EVP_CIPHER_CTX_ctrl(cipher_ctx, mode.aead_get_tag_flag, tag_len, ZSTR_VAL(tag_str)) == 1) {
+			if (EVP_CIPHER_CTX_ctrl(cipher_ctx, mode.aead_get_tag_flag, tag_len, ZSTR_VAL(tag_str)) <= 0) {
 				ZSTR_VAL(tag_str)[tag_len] = '\0';
 				ZSTR_LEN(tag_str) = tag_len;
 				ZEND_TRY_ASSIGN_REF_NEW_STR(tag, tag_str);