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12 vulnerabilities found for xorg-x11-server 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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CVE-2026-93519 (GCVE-0-2026-93519)
Vulnerability from cvelistv5
Published
2026-10-28 14:41
Modified
2026-10-28 14:41
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based 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.
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-2026-93516 (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
| Vendor | Product | Version | ||
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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-2026-56000 (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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