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22 vulnerabilities found for xwayland by X.Org
CVE-2026-93536 (GCVE-0-2026-93536)
Vulnerability from cvelistv5
Published
2026-10-28 16:33
Modified
2026-10-28 16:33
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based buffer overflow
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| x.org | xorg-x11-server |
Version: 0 < 21.1.25 |
||
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CVE-2026-93524 (GCVE-0-2026-93524)
Vulnerability from cvelistv5
Published
2026-10-28 16:24
Modified
2026-10-28 16:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-126 - Buffer over-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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| x.org | xorg-x11-server |
Version: 0 < 21.1.25 |
||
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CVE-2026-93523 (GCVE-0-2026-93523)
Vulnerability from cvelistv5
Published
2026-10-28 16:16
Modified
2026-10-28 16:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based buffer overflow
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| x.org | xorg-x11-server |
Version: 0 < 21.1.25 |
||
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CVE-2026-93522 (GCVE-0-2026-93522)
Vulnerability from cvelistv5
Published
2026-10-28 16:03
Modified
2026-10-28 16:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based 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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| x.org | xorg-x11-server |
Version: 0 < 21.1.25 |
||
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CVE-2026-93521 (GCVE-0-2026-93521)
Vulnerability from cvelistv5
Published
2026-10-28 15:37
Modified
2026-10-28 15:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based 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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| x.org | xorg-x11-server |
Version: 0 < 21.1.25 |
||
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CVE-2026-93520 (GCVE-0-2026-93520)
Vulnerability from cvelistv5
Published
2026-10-28 14:59
Modified
2026-10-28 14:59
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based buffer overflow
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.
References
Impacted products
| Vendor | Product | Version | ||
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| x.org | xorg-x11-server |
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CVE-2026-93518 (GCVE-0-2026-93518)
Vulnerability from cvelistv5
Published
2026-10-28 14:32
Modified
2026-10-28 14:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based buffer overflow
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.
References
Impacted products
| Vendor | Product | Version | ||
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| x.org | xorg-x11-server |
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CVE-2026-93517 (GCVE-0-2026-93517)
Vulnerability from cvelistv5
Published
2026-10-28 13:16
Modified
2026-10-28 13:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based buffer overflow
Summary
A heap buffer overflow in handling GLX
RenderLarge request where dataBytes exceeds cmdlen in X.org X server before 21.1.25 and XWayland before 24.1.14 that could be be triggered by an authenticated X client could cause crashes or code execution in X server context.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| x.orgg | xorg-x11-server |
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CVE-2026-93516 (GCVE-0-2026-93516)
Vulnerability from cvelistv5
Published
2026-10-28 13:03
Modified
2026-10-28 13:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - 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.
References
Impacted products
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| x.org | xorg-x11-server |
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CVE-2026-93515 (GCVE-0-2026-93515)
Vulnerability from cvelistv5
Published
2026-10-28 12:39
Modified
2026-10-28 12:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - 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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| X.org | xorg-x11-server |
Version: 0 < 21.1.25 |
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CVE-2026-88812 (GCVE-0-2026-88812)
Vulnerability from cvelistv5
Published
2026-10-27 17:43
Modified
2026-10-27 17:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-415 - 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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
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CVE-2026-55999 (GCVE-0-2026-55999)
Vulnerability from cvelistv5
Published
2026-07-08 08:07
Modified
2026-07-09 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based buffer overflow
Summary
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
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References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| X.Org | xorg-server |
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CVE-2026-56000 (GCVE-0-2026-56000)
Vulnerability from cvelistv5
Published
2026-07-08 07:36
Modified
2026-07-08 12:42
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use after free
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| X.Org | xorg-x11-server |
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"assignerShortName": "suse",
"cveId": "CVE-2026-56000",
"datePublished": "2026-07-08T07:36:15.357Z",
"dateReserved": "2026-06-18T09:26:55.988Z",
"dateUpdated": "2026-07-08T12:42:16.061Z",
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CVE-2025-62229 (GCVE-0-2025-62229)
Vulnerability from cvelistv5
Published
2025-10-30 05:28
Modified
2026-04-20 13:50
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potentially allowing an attacker to execute arbitrary code or cause a denial of service.
References
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X.Org | Xwayland |
Version: 1.15.0 ≤ |
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CVE-2025-62230 (GCVE-0-2025-62230)
Vulnerability from cvelistv5
Published
2025-10-30 05:19
Modified
2026-04-20 13:50
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
A flaw was discovered in the X.Org X server’s X Keyboard (Xkb) extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected clients disconnect.
References
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Impacted products
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X.Org | Xwayland |
Version: 0 ≤ |
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CVE-2025-62231 (GCVE-0-2025-62231)
Vulnerability from cvelistv5
Published
2025-10-30 05:08
Modified
2026-04-20 13:50
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.
References
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Impacted products
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X.Org | Xwayland |
Version: 0 ≤ |
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CVE-2025-49180 (GCVE-0-2025-49180)
Vulnerability from cvelistv5
Published
2025-06-17 15:00
Modified
2026-06-30 00:29
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
A flaw was found in the RandR extension, where the RRChangeProviderProperty function does not properly validate input. This issue leads to an integer overflow when computing the total size to allocate.
References
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Impacted products
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| X.Org | xwayland |
Version: 0 ≤ |
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CVE-2025-49179 (GCVE-0-2025-49179)
Vulnerability from cvelistv5
Published
2025-06-17 14:54
Modified
2026-06-30 10:40
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
A flaw was found in the X Record extension. The RecordSanityCheckRegisterClients function does not check for an integer overflow when computing request length, which allows a client to bypass length checks.
References
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Impacted products
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| X.Org | xwayland |
Version: 0 ≤ |
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{
"containers": {
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{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-49179",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-06-17T15:03:25.523317Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-06-17T15:04:08.505Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-03T20:05:14.402Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
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}
],
"title": "CVE Program Container"
}
],
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CVE-2025-49178 (GCVE-0-2025-49178)
Vulnerability from cvelistv5
Published
2025-06-17 14:54
Modified
2026-06-30 10:40
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-667 - Improper Locking
Summary
A flaw was found in the X server's request handling. Non-zero 'bytes to ignore' in a client's request can cause the server to skip processing another client's request, potentially leading to a denial of service.
References
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Impacted products
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| X.Org | xwayland |
Version: 0 ≤ |
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CVE-2025-49177 (GCVE-0-2025-49177)
Vulnerability from cvelistv5
Published
2025-06-17 14:49
Modified
2026-06-30 10:40
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
A flaw was found in the XFIXES extension. The XFixesSetClientDisconnectMode handler does not validate the request length, allowing a client to read unintended memory from previous requests.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X.Org | xwayland |
Version: 0 ≤ |
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|
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CVE-2025-49176 (GCVE-0-2025-49176)
Vulnerability from cvelistv5
Published
2025-06-17 14:49
Modified
2026-06-30 00:18
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
A flaw was found in the Big Requests extension. The request length is multiplied by 4 before checking against the maximum allowed size, potentially causing an integer overflow and bypassing the size check.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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|
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| X.Org | xwayland |
Version: 0 ≤ |
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{
"containers": {
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{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-49176",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-06-17T14:58:49.779795Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-06-17T14:59:07.660Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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},
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},
{
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}
],
"title": "CVE Program Container"
}
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CVE-2025-49175 (GCVE-0-2025-49175)
Vulnerability from cvelistv5
Published
2025-06-17 14:39
Modified
2026-06-30 00:18
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
A flaw was found in the X Rendering extension's handling of animated cursors. If a client provides no cursors, the server assumes at least one is present, leading to an out-of-bounds read and potential crash.
References
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Impacted products
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| X.Org | xwayland |
Version: 0 ≤ |
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