From bf64f38a9e984897ae22986212374082ff295f1d Mon Sep 17 00:00:00 2001
From: Jarne Clauw <67628242+JarneClauw@users.noreply.github.com>
Date: Mon, 13 Apr 2026 21:05:39 +0200
Subject: [PATCH] Fixing memory leak

---
 ext/openssl/openssl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ext/openssl/openssl.c b/ext/openssl/openssl.c
index 8fc830b756d7c..43aaacaedcef9 100644
--- a/ext/openssl/openssl.c
+++ b/ext/openssl/openssl.c
@@ -2169,6 +2169,7 @@ PHP_FUNCTION(openssl_x509_parse)
 	str_serial = i2s_ASN1_INTEGER(NULL, asn1_serial);
 	/* Can return NULL on error or memory allocation failure */
 	if (!str_serial) {
+		OPENSSL_free(hex_serial);
 		php_openssl_store_errors();
 		goto err;
 	}