This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple Terminal. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists in the handling of 'CSI[4' xterm window resizing escape code. When a very low negative value for (x, y) size is set, an integer overflow occurs resulting in a memory corruption. This can be further leveraged to execute arbitrary code under the context of the logged in user.
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