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13 vulnerabilities by X.Org
CVE-2025-62229 (GCVE-0-2025-62229)
Vulnerability from cvelistv5 – Published: 2025-10-30 05:28 – Updated: 2026-01-05 10:10
VLAI?
Title
Xorg: xmayland: use-after-free in xpresentnotify structure creation
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.
Severity ?
7.3 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
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| X.Org | Xwayland |
Affected:
1.15.0 , < 24.1.9
(semver)
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Credits
Red Hat would like to thank Jan-Niklas Sohn (Trend Micro Zero Day Initiative) for reporting this issue.
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CVE-2025-62230 (GCVE-0-2025-62230)
Vulnerability from cvelistv5 – Published: 2025-10-30 05:19 – Updated: 2026-01-05 10:10
VLAI?
Title
Xorg: xwayland: use-after-free in xkb client resource removal
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.
Severity ?
7.3 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| X.Org | Xwayland |
Affected:
0 , < 24.1.9
(semver)
|
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Credits
Red Hat would like to thank Jan-Niklas Sohn (Trend Micro Zero Day Initiative) for reporting this issue.
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CVE-2025-62231 (GCVE-0-2025-62231)
Vulnerability from cvelistv5 – Published: 2025-10-30 05:08 – Updated: 2026-01-05 10:10
VLAI?
Title
Xorg: xmayland: value overflow in xkbsetcompatmap()
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.
Severity ?
7.3 (High)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Impacted products
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X.Org | Xwayland |
Affected:
0 , < 24.1.9
(semver)
|
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Credits
Red Hat would like to thank Jan-Niklas Sohn (Trend Micro Zero Day Initiative) for reporting this issue.
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CVE-2025-49180 (GCVE-0-2025-49180)
Vulnerability from cvelistv5 – Published: 2025-06-17 15:00 – Updated: 2025-12-11 15:34
VLAI?
Title
Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x resize, rotate and reflect (randr) extension
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.
Severity ?
7.8 (High)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
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Impacted products
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X.Org | xwayland |
Affected:
0 , < 24.1.7
(semver)
|
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|
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CVE-2025-49179 (GCVE-0-2025-49179)
Vulnerability from cvelistv5 – Published: 2025-06-17 14:54 – Updated: 2025-12-11 15:43
VLAI?
Title
Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x record extension
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.
Severity ?
7.3 (High)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
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Impacted products
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| X.Org | xwayland |
Affected:
0 , < 24.1.7
(semver)
|
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|
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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": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00028.html"
}
],
"title": "CVE Program Container"
}
],
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CVE-2025-49178 (GCVE-0-2025-49178)
Vulnerability from cvelistv5 – Published: 2025-06-17 14:54 – Updated: 2025-12-11 15:43
VLAI?
Title
Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: unprocessed client request due to bytes to ignore
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.
Severity ?
5.5 (Medium)
CWE
- CWE-667 - Improper Locking
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| X.Org | xwayland |
Affected:
0 , < 24.1.7
(semver)
|
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|
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CVE-2025-49177 (GCVE-0-2025-49177)
Vulnerability from cvelistv5 – Published: 2025-06-17 14:49 – Updated: 2025-12-11 15:43
VLAI?
Title
Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: data leak in xfixes extension's xfixessetclientdisconnectmode
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.
Severity ?
6.1 (Medium)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X.Org | xwayland |
Affected:
0 , < 24.1.7
(semver)
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Credits
Red Hat would like to thank Julian Suleder and Nils Emmerich for reporting this issue.
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CVE-2025-49176 (GCVE-0-2025-49176)
Vulnerability from cvelistv5 – Published: 2025-06-17 14:49 – Updated: 2025-12-11 15:34
VLAI?
Title
Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in big requests extension
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.
Severity ?
7.3 (High)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
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Impacted products
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| X.Org | xwayland |
Affected:
0 , < 24.1.7
(semver)
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Credits
Red Hat would like to thank Julian Suleder and Nils Emmerich for reporting this issue.
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CVE-2025-49175 (GCVE-0-2025-49175)
Vulnerability from cvelistv5 – Published: 2025-06-17 14:39 – Updated: 2025-12-11 15:34
VLAI?
Title
Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: out-of-bounds read in x rendering extension animated cursors
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.
Severity ?
6.1 (Medium)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
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Impacted products
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| X.Org | xwayland |
Affected:
0 , < 24.1.8
(semver)
|
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Credits
Red Hat would like to thank Julian Suleder and Nils Emmerich for reporting this issue.
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CVE-2022-49737 (GCVE-0-2022-49737)
Vulnerability from cvelistv5 – Published: 2025-03-16 00:00 – Updated: 2025-03-17 16:07
VLAI?
Summary
In X.Org X server 20.11 through 21.1.16, when a client application uses easystroke for mouse gestures, the main thread modifies various data structures used by the input thread without acquiring a lock, aka a race condition. In particular, AttachDevice in dix/devices.c does not acquire an input lock.
Severity ?
7.7 (High)
CWE
- CWE-413 - Improper Resource Locking
Assigner
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CVE-2022-3553 (GCVE-0-2022-3553)
Vulnerability from cvelistv5 – Published: 2022-10-17 00:00 – Updated: 2025-04-15 13:27
VLAI?
Title
X.org Server xquartz X11Controller.m denial of service
Summary
A vulnerability, which was classified as problematic, was found in X.org Server. This affects an unknown part of the file hw/xquartz/X11Controller.m of the component xquartz. The manipulation leads to denial of service. It is recommended to apply a patch to fix this issue. The identifier VDB-211053 was assigned to this vulnerability.
Severity ?
CWE
- CWE-404 - Denial of Service
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CVE-2022-3550 (GCVE-0-2022-3550)
Vulnerability from cvelistv5 – Published: 2022-10-17 00:00 – Updated: 2025-04-15 13:43
VLAI?
Title
X.org Server xkb.c _GetCountedString buffer overflow
Summary
A vulnerability classified as critical was found in X.org Server. Affected by this vulnerability is the function _GetCountedString of the file xkb/xkb.c. The manipulation leads to buffer overflow. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211051.
Severity ?
5.5 (Medium)
CWE
- CWE-119 - Memory Corruption -> CWE-120 Buffer Overflow
Assigner
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CVE-2022-3551 (GCVE-0-2022-3551)
Vulnerability from cvelistv5 – Published: 2022-10-17 00:00 – Updated: 2025-04-15 13:43
VLAI?
Title
X.org Server xkb.c ProcXkbGetKbdByName memory leak
Summary
A vulnerability, which was classified as problematic, has been found in X.org Server. Affected by this issue is the function ProcXkbGetKbdByName of the file xkb/xkb.c. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211052.
Severity ?
CWE
- CWE-404 - Denial of Service -> CWE-401 Memory Leak
Assigner
References
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