DEBIAN-CVE-2020-14363

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Source
https://security-tracker.debian.org/tracker/CVE-2020-14363
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-14363.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2020-14363
Upstream
Published
2020-09-11T18:15:13Z
Modified
2025-09-30T03:54:31Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability.

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
2:1.6.12-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

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
2:1.6.12-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

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
2:1.6.12-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

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
2:1.6.12-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}