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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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1482-1 libx11 security update
EUVD EUVD EUVD-2018-6507 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.
Ubuntu USN Ubuntu USN USN-3758-1 libx11 vulnerabilities
Ubuntu USN Ubuntu USN USN-3758-2 libx11 vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.09426}

epss

{'score': 0.08595}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T09:29:51.697Z

Reserved: 2018-07-26T00:00:00.000Z

Link: CVE-2018-14600

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-08-24T19:29:01.567

Modified: 2024-11-21T03:49:23.207

Link: CVE-2018-14600

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-08-21T00:00:00Z

Links: CVE-2018-14600 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses