DEBIAN-CVE-2021-4011

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Source
https://security-tracker.debian.org/tracker/DEBIAN-CVE-2021-4011
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-4011.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-4011
Upstream
Published
2021-12-17T17:15:13Z
Modified
2025-09-19T07:31:47.750407Z
Summary
[none]
Details

A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SwapCreateRegister function. 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+deb11u1

Affected versions

2:1.*

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
2:1.20.13-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

xwayland

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:21.1.4-1

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
2:1.20.13-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

xwayland

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:21.1.4-1

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
2:1.20.13-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

xwayland

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:21.1.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}