Debian Linux Security Advisory 3113-1 – Michele Spagnuolo of the Google Security Team discovered that unzip, an extraction utility for archives compressed in .zip format, is affected by heap-based buffer overflows within the CRC32 verification function (CVE-2014-8139), the test_compr_eb() function (CVE-2014-8140) and the getZip64Data() function (CVE-2014-8141), which may lead to the execution of arbitrary code.