Off-by-one Error

Affecting libx11 package, versions <2:1.6.4-3+deb9u1

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Overview

An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.

References

CVSS Score

9.8
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    High
  • Availability
    High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE
CVE-2018-14599
CWE
CWE-193
Snyk ID
SNYK-DEBIAN9-LIBX11-339150
Disclosed
24 Aug, 2018
Published
25 Sep, 2018