Off-by-one Error Affecting libx11 package, versions <1.6.6-r0


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
1.05% (85th percentile)

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  • Snyk IDSNYK-ALPINE318-LIBX11-5512979
  • published25 Sept 2018
  • disclosed24 Aug 2018

Introduced: 24 Aug 2018

CVE-2018-14599  (opens in a new tab)
CWE-193  (opens in a new tab)

How to fix?

Upgrade Alpine:3.18 libx11 to version 1.6.6-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libx11 package and not the libx11 package as distributed by Alpine. See How to fix? for Alpine:3.18 relevant fixed versions and status.

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.

CVSS Scores

version 3.1