1 files changed, 3 insertions, 1 deletions

diff --git a/src/lib/libcrypto/asn1/a_bitstr.c b/src/lib/libcrypto/asn1/a_bitstr.c
index e0265f69d2..f4ea96cd54 100644
--- a/src/lib/libcrypto/asn1/a_bitstr.c
+++ b/src/lib/libcrypto/asn1/a_bitstr.c
@@ -191,7 +191,9 @@ int ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value)
                 if (a->data == NULL)
                         c=(unsigned char *)OPENSSL_malloc(w+1);
                 else
-                        c=(unsigned char *)OPENSSL_realloc(a->data,w+1);
+                        c=(unsigned char *)OPENSSL_realloc_clean(a->data,
+                                                                 a->length,
+                                                                 w+1);
                 if (c == NULL) return(0);
                 if (w+1-a->length > 0) memset(c+a->length, 0, w+1-a->length);
                 a->data=c;