From: 609bob <1850029304@qq.com>
Date: Fri, 19 Dec 2025 02:27:06 +0000 (+0800)
Subject: bss_acpt.c: Free strings returned from previous BIO_ADDR_hostname_string() calls
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fheads%2Fopenssl-3.0;p=thirdparty%2Fopenssl.git

bss_acpt.c: Free strings returned from previous BIO_ADDR_hostname_string() calls

CLA: trivial

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Frederik Wedel-Heinen <fwh.openssl@gmail.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/29452)

(cherry picked from commit 117dc48fd587099dfb2d0fc107c84f0e359284ad)
---

diff --git a/crypto/bio/bss_acpt.c b/crypto/bio/bss_acpt.c
index 8c41ae73f3d..7c7a6a46458 100644
--- a/crypto/bio/bss_acpt.c
+++ b/crypto/bio/bss_acpt.c
@@ -268,6 +268,9 @@ static int acpt_state(BIO *b, BIO_ACCEPT *c)
                 }
             }
 
+            /* Free old values before assigning new ones to prevent memory leak */
+            OPENSSL_free(c->cache_accepting_name);
+            OPENSSL_free(c->cache_accepting_serv);
             c->cache_accepting_name = BIO_ADDR_hostname_string(&c->cache_accepting_addr, 1);
             c->cache_accepting_serv = BIO_ADDR_service_string(&c->cache_accepting_addr, 1);
             c->state = ACPT_S_ACCEPT;