2 files changed, 6 insertions, 2 deletions

diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index 865f46ea724f..c80765b211cf 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -133,7 +133,6 @@ struct x509_certificate *x509_cert_parse(const void *data, size_t datalen)
         return cert;
 
 error_decode:
-        kfree(cert->pub->key);
         kfree(ctx);
 error_no_ctx:
         x509_free_certificate(cert);
diff --git a/lib/mpi/mpi-pow.c b/lib/mpi/mpi-pow.c
index 5464c8744ea9..e24388a863a7 100644
--- a/lib/mpi/mpi-pow.c
+++ b/lib/mpi/mpi-pow.c
@@ -64,8 +64,13 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod)
         if (!esize) {
                 /* Exponent is zero, result is 1 mod MOD, i.e., 1 or 0
                  * depending on if MOD equals 1.  */
-                rp[0] = 1;
                 res->nlimbs = (msize == 1 && mod->d[0] == 1) ? 0 : 1;
+                if (res->nlimbs) {
+                        if (mpi_resize(res, 1) < 0)
+                                goto enomem;
+                        rp = res->d;
+                        rp[0] = 1;
+                }
                 res->sign = 0;
                 goto leave;
         }