1 files changed, 7 insertions, 0 deletions

diff --git a/src/lib/libcrypto/pkcs7/pk7_lib.c b/src/lib/libcrypto/pkcs7/pk7_lib.c
index c00ed6833a..985b07245c 100644
--- a/src/lib/libcrypto/pkcs7/pk7_lib.c
+++ b/src/lib/libcrypto/pkcs7/pk7_lib.c
@@ -74,6 +74,13 @@ long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg)
                 if (nid == NID_pkcs7_signed)
                         {
                         ret=p7->detached=(int)larg;
+                        if (ret && PKCS7_type_is_data(p7->d.sign->contents))
+                                        {
+                                        ASN1_OCTET_STRING *os;
+                                        os=p7->d.sign->contents->d.data;
+                                        ASN1_OCTET_STRING_free(os);
+                                        p7->d.sign->contents->d.data = NULL;
+                                        }
                         }
                 else
                         {