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CVE-2026-93536 (GCVE-0-2026-93536)

Vulnerability from nvd – Published: 2026-10-28 16:33 – Updated: 2026-10-28 16:33

Title

X.Org Server GestureBuildSprite Use-After-Free

Summary

A use after free caused by missing lifecycle management of gesture sprites in GestureBuildSprite() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash the X server or potentially execute code.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 16:26

Credits

4nibhal working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
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          "product": "xorg-x11-server",
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      "source": {
        "discovery": "EXTERNAL"
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      "title": "X.Org Server GestureBuildSprite Use-After-Free",
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}

CVE-2026-93524 (GCVE-0-2026-93524)

Vulnerability from nvd – Published: 2026-10-28 16:24 – Updated: 2026-10-28 16:24

Title

X.Org Server XKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read

Summary

A buffer overread in CheckKeySyms() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to leak small amounts of information from X server memory or potentially crash the X server.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

CWE

CWE-126 - Buffer over-read

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 16:20

Credits

WONJOON HWANG (@joon1337) working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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          "defaultStatus": "unaffected",
          "packageName": "xorg-x11-server",
          "product": "xorg-x11-server",
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              "version": "0",
              "versionType": "rpm"
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      "cpeApplicability": [
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      "impacts": [
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      ],
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        "orgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb",
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CVE-2026-93523 (GCVE-0-2026-93523)

Vulnerability from nvd – Published: 2026-10-28 16:16 – Updated: 2026-10-28 16:16

Title

X.Org Server XInput2 PassiveUngrabDevice Out-of-Bounds Write

Summary

A heap buffer overflow caused by a XIPassiveUngrabDevice request with an out-of-range modifier value in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 16:13

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "xorg-x11-server",
          "product": "xorg-x11-server",
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CVE-2026-93522 (GCVE-0-2026-93522)

Vulnerability from nvd – Published: 2026-10-28 16:03 – Updated: 2026-10-28 16:03

Title

X.Org Server Glamor CopyArea Heap Buffer Overflow

Summary

A heap buffer overflow caused by mismatched size usage in CopyArea CPU-to-FBO path in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in the X server context.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 9 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 15:53

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        {
          "defaultStatus": "unaffected",
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          "product": "xorg-x11-server",
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          "versions": [
            {
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              "version": "0",
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          ]
        },
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CVE-2026-93521 (GCVE-0-2026-93521)

Vulnerability from nvd – Published: 2026-10-28 15:37 – Updated: 2026-10-28 15:37

Title

X.Org Server RandR ChangeProviderProperty Heap Buffer Overflow

Summary

A buffer overflow in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14 could be used by authenticated X clients to crash or execute code within the X server context.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 15:11

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93520 (GCVE-0-2026-93520)

Vulnerability from nvd – Published: 2026-10-28 14:59 – Updated: 2026-10-28 14:59

Title

X.Org Server XKB ChangeKeycodeRange Heap Out-of-Bounds Write

Summary

A heap buffer overflow caused by mismatching size calculations between XkbAllocNames and ChangeKeycodeRange in X.org X server before 2.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 14:45

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93519 (GCVE-0-2026-93519)

Vulnerability from nvd – Published: 2026-10-28 14:41 – Updated: 2026-10-28 14:41

Title

X.Org Server XFixes Pointer Barrier Event List Buffer Overflow

Summary

A buffer overflow when handling pointer barriers in the XFIXES extension in X.Org X server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.orgg	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.orgg:xwayland::::::::

Date Public

2026-10-28 14:33

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93518 (GCVE-0-2026-93518)

Vulnerability from nvd – Published: 2026-10-28 14:32 – Updated: 2026-10-28 14:32

Title

X.Org Server XKB ResizeKeyType Numeric Truncation

Summary

An integer truncation issue in XkbResizeKeyType() that could lead to a heap buffer overflow by authenticated X clients in X.org X server before 21.1.25 and XWayland before 24.1.14 could be exploited for crashes or potential code execution in the X server.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 13:55

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93516 (GCVE-0-2026-93516)

Vulnerability from nvd – Published: 2026-10-28 13:03 – Updated: 2026-10-28 13:03

Title

.Org Server XInput Passive Grab Use-After-Free

Summary

A use-after-free caused by lack of lifecycle management when adding / removing XInput master devices in X.org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X Clients to crash the X server or potentially execute code in X server context.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-416 - Use after free

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 12:59

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93515 (GCVE-0-2026-93515)

Vulnerability from nvd – Published: 2026-10-28 12:39 – Updated: 2026-10-28 12:39

Title

.Org Server Present Extension Use-After-Free

Summary

A use-after-free in present_clear_window_notifies() in the X.org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by malicious X clients to crash or potentially execute code in the X server context.

Severity

6.8 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CWE

CWE-416 - Use after free

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
X.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 12:34

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-88812 (GCVE-0-2026-88812)

Vulnerability from nvd – Published: 2026-10-27 17:43 – Updated: 2026-10-27 17:43

Title

X.Org Server XKB SetGeometry TextDoodad Double Free

Summary

A double free in XKB SetGeometryin X.Org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by attached clients to cause a crash or potentially code in the x server context.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-415 - Double free

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
X.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-27 16:47

Credits

Anonymous with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-56000 (GCVE-0-2026-56000)

Vulnerability from nvd – Published: 2026-07-08 07:36 – Updated: 2026-07-08 12:42

Title

xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent()

Summary

Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a Heap Use After Free, due to CommonMakeCurrent() pointing into potentially reallocated memory.

Severity

9 (Critical)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-08 12:41 UTC

CWE

CWE-416 - Use after free

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

2 references

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch
https://www.openwall.com/lists/oss-security/2026/…	vendor-advisory

Impacted products

2 products

Vendor	Product	Version
X.Org	xorg-x11-server	Affected: 0 , < 21.1.24 (rpm)
X.Org	xwayland	Affected: 0 , < 24.1.13 (rpmver)

Date Public

2026-07-08 07:30

Credits

Anonymous working with Trend Micro Zero Day Initiative.

Show details on NVD website

JSON

To clipboard

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CVE-2026-93536 (GCVE-0-2026-93536)

Vulnerability from cvelistv5 – Published: 2026-10-28 16:33 – Updated: 2026-10-28 16:33

Title

X.Org Server GestureBuildSprite Use-After-Free

Summary

A use after free caused by missing lifecycle management of gesture sprites in GestureBuildSprite() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash the X server or potentially execute code.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 16:26

Credits

4nibhal working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93524 (GCVE-0-2026-93524)

Vulnerability from cvelistv5 – Published: 2026-10-28 16:24 – Updated: 2026-10-28 16:24

Title

X.Org Server XKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read

Summary

A buffer overread in CheckKeySyms() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to leak small amounts of information from X server memory or potentially crash the X server.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

CWE

CWE-126 - Buffer over-read

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 16:20

Credits

WONJOON HWANG (@joon1337) working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93523 (GCVE-0-2026-93523)

Vulnerability from cvelistv5 – Published: 2026-10-28 16:16 – Updated: 2026-10-28 16:16

Title

X.Org Server XInput2 PassiveUngrabDevice Out-of-Bounds Write

Summary

A heap buffer overflow caused by a XIPassiveUngrabDevice request with an out-of-range modifier value in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 16:13

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93522 (GCVE-0-2026-93522)

Vulnerability from cvelistv5 – Published: 2026-10-28 16:03 – Updated: 2026-10-28 16:03

Title

X.Org Server Glamor CopyArea Heap Buffer Overflow

Summary

A heap buffer overflow caused by mismatched size usage in CopyArea CPU-to-FBO path in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in the X server context.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 9 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 15:53

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93521 (GCVE-0-2026-93521)

Vulnerability from cvelistv5 – Published: 2026-10-28 15:37 – Updated: 2026-10-28 15:37

Title

X.Org Server RandR ChangeProviderProperty Heap Buffer Overflow

Summary

A buffer overflow in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14 could be used by authenticated X clients to crash or execute code within the X server context.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 15:11

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93520 (GCVE-0-2026-93520)

Vulnerability from cvelistv5 – Published: 2026-10-28 14:59 – Updated: 2026-10-28 14:59

Title

X.Org Server XKB ChangeKeycodeRange Heap Out-of-Bounds Write

Summary

A heap buffer overflow caused by mismatching size calculations between XkbAllocNames and ChangeKeycodeRange in X.org X server before 2.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 14:45

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93519 (GCVE-0-2026-93519)

Vulnerability from cvelistv5 – Published: 2026-10-28 14:41 – Updated: 2026-10-28 14:41

Title

X.Org Server XFixes Pointer Barrier Event List Buffer Overflow

Summary

A buffer overflow when handling pointer barriers in the XFIXES extension in X.Org X server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.orgg	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.orgg:xwayland::::::::

Date Public

2026-10-28 14:33

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93518 (GCVE-0-2026-93518)

Vulnerability from cvelistv5 – Published: 2026-10-28 14:32 – Updated: 2026-10-28 14:32

Title

X.Org Server XKB ResizeKeyType Numeric Truncation

Summary

An integer truncation issue in XkbResizeKeyType() that could lead to a heap buffer overflow by authenticated X clients in X.org X server before 21.1.25 and XWayland before 24.1.14 could be exploited for crashes or potential code execution in the X server.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based buffer overflow

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 13:55

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93516 (GCVE-0-2026-93516)

Vulnerability from cvelistv5 – Published: 2026-10-28 13:03 – Updated: 2026-10-28 13:03

Title

.Org Server XInput Passive Grab Use-After-Free

Summary

A use-after-free caused by lack of lifecycle management when adding / removing XInput master devices in X.org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X Clients to crash the X server or potentially execute code in X server context.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-416 - Use after free

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
x.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 12:59

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-93515 (GCVE-0-2026-93515)

Vulnerability from cvelistv5 – Published: 2026-10-28 12:39 – Updated: 2026-10-28 12:39

Title

.Org Server Present Extension Use-After-Free

Summary

A use-after-free in present_clear_window_notifies() in the X.org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by malicious X clients to crash or potentially execute code in the X server context.

Severity

6.8 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CWE

CWE-416 - Use after free

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
X.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-28 12:34

Credits

Anonymous working with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-88812 (GCVE-0-2026-88812)

Vulnerability from cvelistv5 – Published: 2026-10-27 17:43 – Updated: 2026-10-27 17:43

Title

X.Org Server XKB SetGeometry TextDoodad Double Free

Summary

A double free in XKB SetGeometryin X.Org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by attached clients to cause a crash or potentially code in the x server context.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-415 - Double free

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch

Impacted products

2 products

Vendor	Product	Version
X.org	xorg-x11-server	Affected: 0 , < 21.1.25 (rpm) cpe:2.3:a:x.org:xorg-x11-server::::::::
x.org	xwayland	Affected: 0 , < 24.1.14 (rpm) cpe:2.3:a:x.org:xwayland::::::::

Date Public

2026-10-27 16:47

Credits

Anonymous with TrendAI Zero Day Initiative

Show details on NVD website

JSON

To clipboard

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CVE-2026-56000 (GCVE-0-2026-56000)

Vulnerability from cvelistv5 – Published: 2026-07-08 07:36 – Updated: 2026-07-08 12:42

Title

xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent()

Summary

Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a Heap Use After Free, due to CommonMakeCurrent() pointing into potentially reallocated memory.

Severity

9 (Critical)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-08 12:41 UTC

CWE

CWE-416 - Use after free

Assigner

suse CNA under the mitre root

CNA scorecard B 80/100 over 116 records in the last 180 days details

References

2 references

URL	Tags
https://gitlab.freedesktop.org/xorg/xserver/-/com…	patch
https://www.openwall.com/lists/oss-security/2026/…	vendor-advisory

Impacted products

2 products

Vendor	Product	Version
X.Org	xorg-x11-server	Affected: 0 , < 21.1.24 (rpm)
X.Org	xwayland	Affected: 0 , < 24.1.13 (rpmver)

Date Public

2026-07-08 07:30

Credits

Anonymous working with Trend Micro Zero Day Initiative.

Show details on NVD website

JSON

To clipboard

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Find a vulnerability

Search criteria

24 vulnerabilities found for xorg-x11-server by x.org

CVE-2026-93536 (GCVE-0-2026-93536)

CVE-2026-93524 (GCVE-0-2026-93524)

CVE-2026-93523 (GCVE-0-2026-93523)

CVE-2026-93522 (GCVE-0-2026-93522)

CVE-2026-93521 (GCVE-0-2026-93521)

CVE-2026-93520 (GCVE-0-2026-93520)

CVE-2026-93519 (GCVE-0-2026-93519)

CVE-2026-93518 (GCVE-0-2026-93518)

CVE-2026-93516 (GCVE-0-2026-93516)

CVE-2026-93515 (GCVE-0-2026-93515)

CVE-2026-88812 (GCVE-0-2026-88812)

CVE-2026-56000 (GCVE-0-2026-56000)

CVE-2026-93536 (GCVE-0-2026-93536)

CVE-2026-93524 (GCVE-0-2026-93524)

CVE-2026-93523 (GCVE-0-2026-93523)

CVE-2026-93522 (GCVE-0-2026-93522)

CVE-2026-93521 (GCVE-0-2026-93521)

CVE-2026-93520 (GCVE-0-2026-93520)

CVE-2026-93519 (GCVE-0-2026-93519)

CVE-2026-93518 (GCVE-0-2026-93518)

CVE-2026-93516 (GCVE-0-2026-93516)

CVE-2026-93515 (GCVE-0-2026-93515)

CVE-2026-88812 (GCVE-0-2026-88812)

CVE-2026-56000 (GCVE-0-2026-56000)