OESA-2026-3026

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Source
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-3026
Import Source
https://repo.openeuler.org/security/data/osv/OESA-2026-3026.json
JSON Data
https://api.osv.dev/v1/vulns/OESA-2026-3026
Upstream
Published
2026-07-19T03:48:02Z
Modified
2026-07-19T04:00:19.227361755Z
Summary
xorg-x11-server security update
Details

X.Org X11 X server

Security Fix(es):

Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks.(CVE-2026-55999)

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

Affected packages

openEuler:20.03-LTS-SP4
xorg-x11-server

Package

Name
xorg-x11-server
Purl
pkg:rpm/openEuler/xorg-x11-server&distro=openEuler-20.03-LTS-SP4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.8-39.oe2003sp4

Ecosystem specific 

{
    "x86_64": [
        "xorg-x11-server-1.20.8-39.oe2003sp4.x86_64.rpm",
        "xorg-x11-server-Xephyr-1.20.8-39.oe2003sp4.x86_64.rpm",
        "xorg-x11-server-debuginfo-1.20.8-39.oe2003sp4.x86_64.rpm",
        "xorg-x11-server-debugsource-1.20.8-39.oe2003sp4.x86_64.rpm",
        "xorg-x11-server-devel-1.20.8-39.oe2003sp4.x86_64.rpm"
    ],
    "src": [
        "xorg-x11-server-1.20.8-39.oe2003sp4.src.rpm"
    ],
    "noarch": [
        "xorg-x11-server-help-1.20.8-39.oe2003sp4.noarch.rpm"
    ],
    "aarch64": [
        "xorg-x11-server-1.20.8-39.oe2003sp4.aarch64.rpm",
        "xorg-x11-server-Xephyr-1.20.8-39.oe2003sp4.aarch64.rpm",
        "xorg-x11-server-debuginfo-1.20.8-39.oe2003sp4.aarch64.rpm",
        "xorg-x11-server-debugsource-1.20.8-39.oe2003sp4.aarch64.rpm",
        "xorg-x11-server-devel-1.20.8-39.oe2003sp4.aarch64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-3026.json"
openEuler:22.03-LTS-SP4
xorg-x11-server

Package

Name
xorg-x11-server
Purl
pkg:rpm/openEuler/xorg-x11-server&distro=openEuler-22.03-LTS-SP4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.11-45.oe2203sp4

Ecosystem specific 

{
    "x86_64": [
        "xorg-x11-server-1.20.11-45.oe2203sp4.x86_64.rpm",
        "xorg-x11-server-Xdmx-1.20.11-45.oe2203sp4.x86_64.rpm",
        "xorg-x11-server-Xephyr-1.20.11-45.oe2203sp4.x86_64.rpm",
        "xorg-x11-server-Xnest-1.20.11-45.oe2203sp4.x86_64.rpm",
        "xorg-x11-server-Xvfb-1.20.11-45.oe2203sp4.x86_64.rpm",
        "xorg-x11-server-common-1.20.11-45.oe2203sp4.x86_64.rpm",
        "xorg-x11-server-debuginfo-1.20.11-45.oe2203sp4.x86_64.rpm",
        "xorg-x11-server-debugsource-1.20.11-45.oe2203sp4.x86_64.rpm",
        "xorg-x11-server-devel-1.20.11-45.oe2203sp4.x86_64.rpm"
    ],
    "src": [
        "xorg-x11-server-1.20.11-45.oe2203sp4.src.rpm"
    ],
    "noarch": [
        "xorg-x11-server-help-1.20.11-45.oe2203sp4.noarch.rpm",
        "xorg-x11-server-source-1.20.11-45.oe2203sp4.noarch.rpm"
    ],
    "aarch64": [
        "xorg-x11-server-1.20.11-45.oe2203sp4.aarch64.rpm",
        "xorg-x11-server-Xdmx-1.20.11-45.oe2203sp4.aarch64.rpm",
        "xorg-x11-server-Xephyr-1.20.11-45.oe2203sp4.aarch64.rpm",
        "xorg-x11-server-Xnest-1.20.11-45.oe2203sp4.aarch64.rpm",
        "xorg-x11-server-Xvfb-1.20.11-45.oe2203sp4.aarch64.rpm",
        "xorg-x11-server-common-1.20.11-45.oe2203sp4.aarch64.rpm",
        "xorg-x11-server-debuginfo-1.20.11-45.oe2203sp4.aarch64.rpm",
        "xorg-x11-server-debugsource-1.20.11-45.oe2203sp4.aarch64.rpm",
        "xorg-x11-server-devel-1.20.11-45.oe2203sp4.aarch64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-3026.json"
openEuler:24.03-LTS-SP1
xorg-x11-server

Package

Name
xorg-x11-server
Purl
pkg:rpm/openEuler/xorg-x11-server&distro=openEuler-24.03-LTS-SP1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.11-46.oe2403sp1

Ecosystem specific 

{
    "x86_64": [
        "xorg-x11-server-1.20.11-46.oe2403sp1.x86_64.rpm",
        "xorg-x11-server-Xdmx-1.20.11-46.oe2403sp1.x86_64.rpm",
        "xorg-x11-server-Xephyr-1.20.11-46.oe2403sp1.x86_64.rpm",
        "xorg-x11-server-Xnest-1.20.11-46.oe2403sp1.x86_64.rpm",
        "xorg-x11-server-Xvfb-1.20.11-46.oe2403sp1.x86_64.rpm",
        "xorg-x11-server-common-1.20.11-46.oe2403sp1.x86_64.rpm",
        "xorg-x11-server-debuginfo-1.20.11-46.oe2403sp1.x86_64.rpm",
        "xorg-x11-server-debugsource-1.20.11-46.oe2403sp1.x86_64.rpm",
        "xorg-x11-server-devel-1.20.11-46.oe2403sp1.x86_64.rpm"
    ],
    "src": [
        "xorg-x11-server-1.20.11-46.oe2403sp1.src.rpm"
    ],
    "noarch": [
        "xorg-x11-server-help-1.20.11-46.oe2403sp1.noarch.rpm",
        "xorg-x11-server-source-1.20.11-46.oe2403sp1.noarch.rpm"
    ],
    "aarch64": [
        "xorg-x11-server-1.20.11-46.oe2403sp1.aarch64.rpm",
        "xorg-x11-server-Xdmx-1.20.11-46.oe2403sp1.aarch64.rpm",
        "xorg-x11-server-Xephyr-1.20.11-46.oe2403sp1.aarch64.rpm",
        "xorg-x11-server-Xnest-1.20.11-46.oe2403sp1.aarch64.rpm",
        "xorg-x11-server-Xvfb-1.20.11-46.oe2403sp1.aarch64.rpm",
        "xorg-x11-server-common-1.20.11-46.oe2403sp1.aarch64.rpm",
        "xorg-x11-server-debuginfo-1.20.11-46.oe2403sp1.aarch64.rpm",
        "xorg-x11-server-debugsource-1.20.11-46.oe2403sp1.aarch64.rpm",
        "xorg-x11-server-devel-1.20.11-46.oe2403sp1.aarch64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-3026.json"
openEuler:24.03-LTS-SP3
xorg-x11-server

Package

Name
xorg-x11-server
Purl
pkg:rpm/openEuler/xorg-x11-server&distro=openEuler-24.03-LTS-SP3

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.11-46.oe2403sp3

Ecosystem specific 

{
    "x86_64": [
        "xorg-x11-server-1.20.11-46.oe2403sp3.x86_64.rpm",
        "xorg-x11-server-Xdmx-1.20.11-46.oe2403sp3.x86_64.rpm",
        "xorg-x11-server-Xephyr-1.20.11-46.oe2403sp3.x86_64.rpm",
        "xorg-x11-server-Xnest-1.20.11-46.oe2403sp3.x86_64.rpm",
        "xorg-x11-server-Xvfb-1.20.11-46.oe2403sp3.x86_64.rpm",
        "xorg-x11-server-common-1.20.11-46.oe2403sp3.x86_64.rpm",
        "xorg-x11-server-debuginfo-1.20.11-46.oe2403sp3.x86_64.rpm",
        "xorg-x11-server-debugsource-1.20.11-46.oe2403sp3.x86_64.rpm",
        "xorg-x11-server-devel-1.20.11-46.oe2403sp3.x86_64.rpm"
    ],
    "src": [
        "xorg-x11-server-1.20.11-46.oe2403sp3.src.rpm"
    ],
    "noarch": [
        "xorg-x11-server-help-1.20.11-46.oe2403sp3.noarch.rpm",
        "xorg-x11-server-source-1.20.11-46.oe2403sp3.noarch.rpm"
    ],
    "aarch64": [
        "xorg-x11-server-1.20.11-46.oe2403sp3.aarch64.rpm",
        "xorg-x11-server-Xdmx-1.20.11-46.oe2403sp3.aarch64.rpm",
        "xorg-x11-server-Xephyr-1.20.11-46.oe2403sp3.aarch64.rpm",
        "xorg-x11-server-Xnest-1.20.11-46.oe2403sp3.aarch64.rpm",
        "xorg-x11-server-Xvfb-1.20.11-46.oe2403sp3.aarch64.rpm",
        "xorg-x11-server-common-1.20.11-46.oe2403sp3.aarch64.rpm",
        "xorg-x11-server-debuginfo-1.20.11-46.oe2403sp3.aarch64.rpm",
        "xorg-x11-server-debugsource-1.20.11-46.oe2403sp3.aarch64.rpm",
        "xorg-x11-server-devel-1.20.11-46.oe2403sp3.aarch64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-3026.json"
openEuler:24.03-LTS-SP4
xorg-x11-server

Package

Name
xorg-x11-server
Purl
pkg:rpm/openEuler/xorg-x11-server&distro=openEuler-24.03-LTS-SP4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.11-46.oe2403sp4

Ecosystem specific 

{
    "x86_64": [
        "xorg-x11-server-1.20.11-46.oe2403sp4.x86_64.rpm",
        "xorg-x11-server-Xdmx-1.20.11-46.oe2403sp4.x86_64.rpm",
        "xorg-x11-server-Xephyr-1.20.11-46.oe2403sp4.x86_64.rpm",
        "xorg-x11-server-Xnest-1.20.11-46.oe2403sp4.x86_64.rpm",
        "xorg-x11-server-Xvfb-1.20.11-46.oe2403sp4.x86_64.rpm",
        "xorg-x11-server-common-1.20.11-46.oe2403sp4.x86_64.rpm",
        "xorg-x11-server-debuginfo-1.20.11-46.oe2403sp4.x86_64.rpm",
        "xorg-x11-server-debugsource-1.20.11-46.oe2403sp4.x86_64.rpm",
        "xorg-x11-server-devel-1.20.11-46.oe2403sp4.x86_64.rpm"
    ],
    "src": [
        "xorg-x11-server-1.20.11-46.oe2403sp4.src.rpm"
    ],
    "noarch": [
        "xorg-x11-server-help-1.20.11-46.oe2403sp4.noarch.rpm",
        "xorg-x11-server-source-1.20.11-46.oe2403sp4.noarch.rpm"
    ],
    "aarch64": [
        "xorg-x11-server-1.20.11-46.oe2403sp4.aarch64.rpm",
        "xorg-x11-server-Xdmx-1.20.11-46.oe2403sp4.aarch64.rpm",
        "xorg-x11-server-Xephyr-1.20.11-46.oe2403sp4.aarch64.rpm",
        "xorg-x11-server-Xnest-1.20.11-46.oe2403sp4.aarch64.rpm",
        "xorg-x11-server-Xvfb-1.20.11-46.oe2403sp4.aarch64.rpm",
        "xorg-x11-server-common-1.20.11-46.oe2403sp4.aarch64.rpm",
        "xorg-x11-server-debuginfo-1.20.11-46.oe2403sp4.aarch64.rpm",
        "xorg-x11-server-debugsource-1.20.11-46.oe2403sp4.aarch64.rpm",
        "xorg-x11-server-devel-1.20.11-46.oe2403sp4.aarch64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-3026.json"