CVE-2026-50263 (GCVE-0-2026-50263)
Vulnerability from cvelistv5
Published
2026-06-05 10:36
Modified
2026-09-28 11:56
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
A use-after-free flaw was found in the X.Org X server and Xwayland in CreateSaverWindow(). A client can trigger a use-after-free read after changing window attributes and forcing the screen saver, leading to information disclosure.
References
Impacted products
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| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected: 0:24.1.9-4.el10_2.2 < * cpe:/o:redhat:enterprise_linux:10.2 |
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"credits": [
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"value": "Upstream acknowledges Anonymous (Trend Micro Zero Day Initiative) as the original reporter."
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"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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