CVE-2026-88812
X.Org Server XKB SetGeometry TextDoodad Double Free
02 Description
X.Org Server XKB SetGeometry TextDoodad Double Free
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
- 0.18% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 8.2% of scored records. A rank, not a probability.
- 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 2026-10-28.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
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
- 2026-10-27 17:43Z1 DAY AGO
- Last updated
- 2026-10-27 17:43Z1 DAY AGO
- Reserved
- 2026-09-10
- 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
- Data version
- 5.2
- Document digest
- dec099cae3a49ec9e3541a8df480fbb2eb01d19d908aa6ffddf89e7327b5af68
05 Affected products
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.