Race condition in pxz 4.999.99 Beta 3 uses weak file permissions for the output file when compressing a file before changing the permission to match the original file, which allows local users to bypass the intended access restrictions.
seclists.org/oss-sec/2015/q1/177
www.securityfocus.com/bid/72101
exchange.xforce.ibmcloud.com/vulnerabilities/100207
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