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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}
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},
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}
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"credits": [
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"type": "finder",
"value": "Anonymous working with TrendAI Zero Day Initiative"
}
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"datePublic": "2026-10-28T12:34:00.000Z",
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"Recovery": "NOT_DEFINED",
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"attackVector": "LOCAL",
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"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
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"subConfidentialityImpact": "NONE",
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"valueDensity": "NOT_DEFINED",
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"problemTypes": [
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"orgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb",
"shortName": "suse"
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"tags": [
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"url": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/1b6955c3108e6b43433aefe860070708e6f43d1b"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": ".Org Server Present Extension Use-After-Free",
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"datePublished": "2026-10-28T12:39:44.890Z",
"dateReserved": "2026-09-18T08:46:56.692Z",
"dateUpdated": "2026-10-28T12:39:44.890Z",
"state": "PUBLISHED"
},
"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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