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Ubuntu: (Multiple Advisories) (CVE-2018-14600): libx11 vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2018-14600): libx11 vulnerabilities

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
08/21/2018
Created
03/19/2019
Added
09/13/2018
Modified
03/02/2020

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.

Solution(s)

  • ubuntu-upgrade-libx11-6
  • ubuntu-upgrade-libx11-dev

References

  • USN-3758-1
  • USN-3758-2
  • CVE-2018-14600

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