Do we know the reason why this below listed CVEs will not be fixed

For elfutils-libelf,elfutils-libs and elfutils pakages ?

1.CVE-2017-7607

2.CVE-2017-7608

3.CVE-2017-7609

4.CVE-2017-7610             

5.CVE-2017-7611             

6.CVE-2017-7612             

7.CVE-2017-7613