DEBIAN-CVE-2018-14600

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Source
https://security-tracker.debian.org/tracker/CVE-2018-14600
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-14600.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2018-14600
Upstream
Published
2018-08-24T19:29:01Z
Modified
2025-09-30T03:54:40Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:11 / libx11

Package

Name
libx11
Purl
pkg:deb/debian/libx11?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.6.6-1

Ecosystem specific 

{
    "urgency": "low"
}

Debian:12 / libx11

Package

Name
libx11
Purl
pkg:deb/debian/libx11?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.6.6-1

Ecosystem specific 

{
    "urgency": "low"
}

Debian:13 / libx11

Package

Name
libx11
Purl
pkg:deb/debian/libx11?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.6.6-1

Ecosystem specific 

{
    "urgency": "low"
}

Debian:14 / libx11

Package

Name
libx11
Purl
pkg:deb/debian/libx11?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.6.6-1

Ecosystem specific 

{
    "urgency": "low"
}