OESA-2021-1468

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Source
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1468
Import Source
https://repo.openeuler.org/security/data/osv/OESA-2021-1468.json
JSON Data
https://api.test.osv.dev/v1/vulns/OESA-2021-1468
Upstream
Published
2021-12-24T11:03:25Z
Modified
2025-08-12T05:09:55.560698Z
Summary
xorg-x11-server security update
Details

Xorg server common files.

Security Fix(es):

A security issue has been found in X.Org before version 21.1.2 and Xwayland before version 21.1.4. The handler for the CompositeGlyphs request of the Render extension does not properly validate the request length leading to out of bounds memory write. This can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for SSH X forwarding sessions.(CVE-2021-4008)

A security issue has been found in X.Org before version 21.1.2 and Xwayland before version 21.1.4. The handler for the CreatePointerBarrier request of the XFixes extension does not properly validate the request length leading to out of bounds memory write. This can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for SSH X forwarding sessions.(CVE-2021-4009)

A security issue has been found in X.Org before version 21.1.2 and Xwayland before version 21.1.4. The handler for the Suspend request of the Screen Saver extension does not properly validate the request length leading to an out of bounds memory write. This can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for SSH X forwarding sessions.(CVE-2021-4010)

A security issue has been found in X.Org before version 21.1.2 and Xwayland before version 21.1.4. The handlers for the RecordCreateContext and RecordRegisterClients requests of the Record extension do not properly validate the request length leading to an out of bounds memory write. This can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for SSH X forwarding sessions.(CVE-2021-4011)

Database specific 
{
    "severity": "High"
}
References

Affected packages

openEuler:20.03-LTS-SP1 / xorg-x11-server

Package

Name
xorg-x11-server
Purl
pkg:rpm/openEuler/xorg-x11-server&distro=openEuler-20.03-LTS-SP1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.8-10.oe1

Ecosystem specific 

{
    "aarch64": [
        "xorg-x11-server-1.20.8-10.oe1.aarch64.rpm",
        "xorg-x11-server-devel-1.20.8-10.oe1.aarch64.rpm",
        "xorg-x11-server-Xephyr-1.20.8-10.oe1.aarch64.rpm",
        "xorg-x11-server-debuginfo-1.20.8-10.oe1.aarch64.rpm",
        "xorg-x11-server-debugsource-1.20.8-10.oe1.aarch64.rpm"
    ],
    "src": [
        "xorg-x11-server-1.20.8-10.oe1.src.rpm"
    ],
    "noarch": [
        "xorg-x11-server-help-1.20.8-10.oe1.noarch.rpm"
    ],
    "x86_64": [
        "xorg-x11-server-debugsource-1.20.8-10.oe1.x86_64.rpm",
        "xorg-x11-server-debuginfo-1.20.8-10.oe1.x86_64.rpm",
        "xorg-x11-server-Xephyr-1.20.8-10.oe1.x86_64.rpm",
        "xorg-x11-server-devel-1.20.8-10.oe1.x86_64.rpm",
        "xorg-x11-server-1.20.8-10.oe1.x86_64.rpm"
    ]
}

openEuler:20.03-LTS-SP2 / xorg-x11-server

Package

Name
xorg-x11-server
Purl
pkg:rpm/openEuler/xorg-x11-server&distro=openEuler-20.03-LTS-SP2

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.8-11.oe1

Ecosystem specific 

{
    "aarch64": [
        "xorg-x11-server-debuginfo-1.20.8-11.oe1.aarch64.rpm",
        "xorg-x11-server-debugsource-1.20.8-11.oe1.aarch64.rpm",
        "xorg-x11-server-devel-1.20.8-11.oe1.aarch64.rpm",
        "xorg-x11-server-Xephyr-1.20.8-11.oe1.aarch64.rpm",
        "xorg-x11-server-1.20.8-11.oe1.aarch64.rpm"
    ],
    "src": [
        "xorg-x11-server-1.20.8-11.oe1.src.rpm"
    ],
    "noarch": [
        "xorg-x11-server-help-1.20.8-11.oe1.noarch.rpm"
    ],
    "x86_64": [
        "xorg-x11-server-devel-1.20.8-11.oe1.x86_64.rpm",
        "xorg-x11-server-debuginfo-1.20.8-11.oe1.x86_64.rpm",
        "xorg-x11-server-debugsource-1.20.8-11.oe1.x86_64.rpm",
        "xorg-x11-server-Xephyr-1.20.8-11.oe1.x86_64.rpm",
        "xorg-x11-server-1.20.8-11.oe1.x86_64.rpm"
    ]
}