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CVE-2018-14600

Disclosure Date: August 24, 2018
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Description

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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CVSS V3 Severity and Metrics
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General Information

Vendors

  • canonical,
  • debian,
  • x.org

Products

  • debian linux 8.0,
  • libx11,
  • ubuntu linux 12.04,
  • ubuntu linux 14.04,
  • ubuntu linux 16.04,
  • ubuntu linux 18.04
Technical Analysis