fix potential memory leak when allocation fails

PR: 801
Submitted by: Nils Larsch

diff --git a/crypto/pem/pem_lib.c b/crypto/pem/pem_lib.c
index 1119c2f4d2af5fbdb41396df112f94d5e1575a60..4daf5b0b1072875f4f3e3173252a86ba89470b1f 100644 (file)
--- a/crypto/pem/pem_lib.c
+++ b/crypto/pem/pem_lib.c
@@ -655,6 +655,9 @@ int PEM_read_bio(BIO *bp, char **name, char **header, unsigned char **data,
        dataB=BUF_MEM_new();
        if ((nameB == NULL) || (headerB == NULL) || (dataB == NULL))
                {
+               BUF_MEM_free(nameB);
+               BUF_MEM_free(headerB);
+               BUF_MEM_free(dataB);
                PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE);
                return(0);
                }