CVE-2017-15873: Integer overflow in decompress_bunzip2.c leads to a read
access violation
CVE-2017-15874: Integer overflow in decompress_unlzma.c leads to a read
access violation
Cc: Adam Duskett <aduskett@gmail.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>