Out-of-Bounds Write Vulnerability in libX11: Potential DoS or Remote Code Execution

Out-of-Bounds Write Vulnerability in libX11: Potential DoS or Remote Code Execution

CVE-2018-14600 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution.

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