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CVE-2020-14361

HIGH

7.8

Description

A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published9/15/2020

Last Modified8/29/2025

Sourcenvd

Honeypot Sightings0

Affected Products

canonical:ubuntu_linuxredhat:enterprise_linuxx.org:x_server

Weaknesses (CWE)

CWE-191CWE-191

References

https://bugzilla.redhat.com/show_bug.cgi?id=1869142(secalert@redhat.com)

https://lists.x.org/archives/xorg-announce/2020-August/003058.html(secalert@redhat.com)

https://security.gentoo.org/glsa/202012-01(secalert@redhat.com)

https://usn.ubuntu.com/4488-2/(secalert@redhat.com)

https://www.zerodayinitiative.com/advisories/ZDI-20-1418/(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=1869142(af854a3a-2127-422b-91ae-364da2661108)

https://lists.x.org/archives/xorg-announce/2020-August/003058.html(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202012-01(af854a3a-2127-422b-91ae-364da2661108)

https://usn.ubuntu.com/4488-2/(af854a3a-2127-422b-91ae-364da2661108)

https://www.zerodayinitiative.com/advisories/ZDI-20-1418/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.