gzip是GNU zip的缩写,它是一个GNU自由软件的文件压缩程序,也经常用来表示gzip这种文件格式。 软件的作者是Jean-loup Gailly和Mark Adler。1992年10月31日第一次公开发布,版本号是0.1。 ChangeLog: Bug fixes: gzip -d could segfault and/or clobber the stack, possibly leading to arbitrary code execution. This affects x86_64 but not 32-bit systems. This fixes CVE-2010-0001.
gzip -d would fail with a CRC error for some valid inputs. So far, the only valid input known to exhibit this failure was compressed "from FAT filesystem (MS-DOS, OS/2, NT)". In addition, to trigger the failure, your memcpy implementation must copy in the "reverse" order.