import of openssl-0.9.7g; tested on platforms from alpha to zaurus, ok deraadt@

1 files changed, 6 insertions, 1 deletions

diff --git a/src/lib/libcrypto/x509v3/v3_bitst.c b/src/lib/libcrypto/x509v3/v3_bitst.c
index 16cf125562..274965306d 100644
--- a/src/lib/libcrypto/x509v3/v3_bitst.c
+++ b/src/lib/libcrypto/x509v3/v3_bitst.c
@@ -124,7 +124,12 @@ static ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
                 for(bnam = method->usr_data; bnam->lname; bnam++) {
                         if(!strcmp(bnam->sname, val->name) ||
                                 !strcmp(bnam->lname, val->name) ) {
-                                ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1);
+                                if(!ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1)) {
+                                        X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,
+                                                ERR_R_MALLOC_FAILURE);
+                                        M_ASN1_BIT_STRING_free(bs);
+                                        return NULL;
+                                }
                                 break;
                         }
                 }