1 files changed, 2 insertions, 0 deletions

diff --git a/src/lib/libcrypto/evp/encode.c b/src/lib/libcrypto/evp/encode.c
index 12c6379df1..08209357ce 100644
--- a/src/lib/libcrypto/evp/encode.c
+++ b/src/lib/libcrypto/evp/encode.c
@@ -136,6 +136,7 @@ void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
 
         *outl=0;
         if (inl == 0) return;
+        OPENSSL_assert(ctx->length <= sizeof ctx->enc_data);
         if ((ctx->num+inl) < ctx->length)
                 {
                 memcpy(&(ctx->enc_data[ctx->num]),in,inl);
@@ -258,6 +259,7 @@ int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
                 /* only save the good data :-) */
                 if (!B64_NOT_BASE64(v))
                         {
+                        OPENSSL_assert(n < sizeof ctx->enc_data);
                         d[n++]=tmp;
                         ln++;
                         }