synced 12 MIN AGO
01 Record

CVE-2026-93521

X.Org Server RandR ChangeProviderProperty Heap Buffer Overflow

HighPUBLISHEDCNA: suse
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
View raw JSON

02 Description

X.Org Server RandR ChangeProviderProperty Heap Buffer Overflow

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-10-29.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-28 15:37Z1 DAY AGO
Last updated
2026-10-28 15:37Z1 DAY AGO
Reserved
2026-09-18
Assigning CNA
suse
Record state
PUBLISHED
Severity
High (CVSS 7.8)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-122Heap-based Buffer OverflowVariant
Data version
5.2
Document digest
112846ac377bc6b353d2e79b118742b2f5a7f5ecb8b4e53067b6965def7c7ddc

05 Affected products

VendorProductVersionsPlatforms
x.orgxorg-x11-server0 to < 21.1.25—
x.orgxwayland0 to < 24.1.14—

06 References

07 Fixed in

AlmaLinux 8

  • xorg-x11-server-Xdmx
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-Xephyr
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-Xnest
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-Xorg
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-Xvfb
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-Xwayland
    Fixed in 21.1.3-20.el8_10.4
  • xorg-x11-server-common
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-devel
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-source
    Fixed in 1.20.11-28.el8_10.5

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

AlmaLinux 9

  • xorg-x11-server-Xdmx
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-Xephyr
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-Xnest
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-Xorg
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-Xvfb
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-Xwayland
    Fixed in 24.1.9-4.el9_8.4
  • xorg-x11-server-Xwayland-devel
    Fixed in 24.1.9-4.el9_8.4
  • xorg-x11-server-common
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-devel
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-source
    Fixed in 1.20.11-34.el9_8.4

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

AlmaLinux 10

  • xorg-x11-server-Xwayland
    Fixed in 24.1.9-4.el10_2.4
  • xorg-x11-server-Xwayland-devel
    Fixed in 24.1.9-4.el10_2.4

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 8

  • xorg-x11-server-Xdmx
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-Xephyr
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-Xnest
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-Xorg
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-Xvfb
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-Xwayland
    Fixed in 21.1.3-20.el8_10.4
  • xorg-x11-server-common
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-devel
    Fixed in 1.20.11-28.el8_10.5
  • xorg-x11-server-source
    Fixed in 1.20.11-28.el8_10.5

Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 9

  • xorg-x11-server-Xdmx
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-Xephyr
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-Xnest
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-Xorg
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-Xvfb
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-Xwayland
    Fixed in 24.1.9-4.el9_8.4
  • xorg-x11-server-Xwayland-devel
    Fixed in 24.1.9-4.el9_8.4
  • xorg-x11-server-common
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-devel
    Fixed in 1.20.11-34.el9_8.4
  • xorg-x11-server-source
    Fixed in 1.20.11-34.el9_8.4

Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 10

  • xorg-x11-server-Xwayland
    Fixed in 24.1.9-4.el10_2.4
  • xorg-x11-server-Xwayland-devel
    Fixed in 24.1.9-4.el10_2.4

Derived from AlmaLinux 10. Partial coverage: only packages taken from AlmaLinux 10 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Debian 12

  • xorg-server
    No fix yet
  • xwayland
    No fix yet

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • xorg-server
    No fix yet
  • xwayland
    No fix yet

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • xorg-server
    Fixed in 2:21.1.25-1
  • xwayland
    Fixed in 2:24.1.14-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • xorg-server
    No fix yet
  • xwayland
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 24.04 LTS

  • xorg-server
    No fix yet
  • xwayland
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.04 LTS

  • xorg-server
    No fix yet
  • xwayland
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.10

  • xorg-server
    No fix yet
  • xwayland
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 14.04 LTS

  • xorg-server
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 16.04 LTS

  • xorg-server
    No fix yet
  • xorg-server-hwe-16.04
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 18.04 LTS

  • xorg-server
    No fix yet
  • xorg-server-hwe-18.04
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 20.04 LTS

  • xorg-server
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.