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CVE-2020-14363

nvd nist
Published: Sep 11, 2020Modified: Jun 17, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

Description

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.

Affected (2)

1 product
Libx11
1 product
Fedora
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Before 1.6.12
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Version 33

References (12)

Source: secalert@redhat.com
Issue TrackingThird Party Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
ExploitThird Party Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.