Electric Sheep version 2.6.3 suffers from network related vulnerabilities due to libcurl issues.
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Apple Security Advisory - Apple has released a security update which addresses over a dozen vulnerabilities.
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iDEFENSE Security Advisory 10.13.05-2 - Remote exploitation of a buffer overflow vulnerability in multiple vendor's implementations of curl and wget allows attackers to execute arbitrary code. The vulnerability specifically exists due to insufficient bounds checking on user-supplied data supplied to a memory copy operation. iDEFENSE Labs has confirmed the following software versions are vulnerable: wget 1.10, curl 7.13.2, libcurl 7.13.2.
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