The original patch for a GNU tar directory traversal vulnerability (CVE-2002-0399) in Red Hat Enterprise Linux 3 and 2.1 uses an "incorrect optimization" that allows user-assisted attackers to overwrite arbitrary files via a crafted tar file, probably involving "/../" sequences with a leading "/".
Novell Linux Desktop 9 for x86 Novell Linux Desktop 9 for x86_64 openSUSE Tumbleweed SUSE CORE 9 for AMD64 and Intel EM64T SUSE CORE 9 for IBM POWER SUSE CORE 9 for IBM S/390 31bit SUSE CORE 9 for IBM zSeries 64bit SUSE CORE 9 for Itanium Processor Family SUSE CORE 9 for x86 SUSE Linux Enterprise Micro 5.3