DEBIAN-CVE-2021-3472

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Source
https://security-tracker.debian.org/tracker/CVE-2021-3472
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3472.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-3472
Upstream
Published
2021-04-26T15:15:07Z
Modified
2025-09-25T22:40:24Z
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

A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

References

Affected packages

Debian:11 / xorg-server

Package

Name
xorg-server
Purl
pkg:deb/debian/xorg-server?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.20.11-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / xorg-server

Package

Name
xorg-server
Purl
pkg:deb/debian/xorg-server?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.20.11-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / xorg-server

Package

Name
xorg-server
Purl
pkg:deb/debian/xorg-server?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.20.11-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / xorg-server

Package

Name
xorg-server
Purl
pkg:deb/debian/xorg-server?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.20.11-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}