CVE-2026-94282 (GCVE-0-2026-94282)
Vulnerability from cvelistv5 – Published: 2026-09-28 08:18 – Updated: 2026-09-28 08:18
VLAI
EPSS
VEX
Title
Out-of-bounds read in libXi's XI2 enter/leave/focus cookie conversion
Summary
An out-of-bounds read in libXi's XI2 enter/leave/focus cookie conversion in libXi before 1.8.4 could be used by malicious X server to crash an attached X client.
Severity
5.6 (Medium)
CWE
- CWE-125 - Out-of-bounds read
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://gitlab.freedesktop.org/xorg/lib/libxi/-/m… | patch |
Impacted products
Date Public
2026-09-28 08:15
{
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"packageName": "libXi",
"product": "libXi",
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"vendor": "x.org",
"versions": [
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"cpeApplicability": [
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],
"datePublic": "2026-09-28T08:15:00.000Z",
"descriptions": [
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"value": "\u003cp\u003eAn out-of-bounds read in libXi\u0027s XI2 enter/leave/focus cookie conversion in libXi before 1.8.4 could be used by malicious X server to crash an attached X client.\u003c/p\u003e\u003cbr\u003e"
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"descriptions": [
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"metrics": [
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"providerMetadata": {
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"orgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb",
"shortName": "suse"
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"references": [
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"tags": [
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"url": "https://gitlab.freedesktop.org/xorg/lib/libxi/-/merge_requests/23/diffs?commit_id=cecf160e9731fe01f3632f875f29ffcb598b052a"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Out-of-bounds read in libXi\u0027s XI2 enter/leave/focus cookie conversion",
"x_generator": {
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"cveMetadata": {
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"assignerShortName": "suse",
"cveId": "CVE-2026-94282",
"datePublished": "2026-09-28T08:18:13.987Z",
"dateReserved": "2026-09-21T09:33:25.369Z",
"dateUpdated": "2026-09-28T08:18:13.987Z",
"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
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"versions": [
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"cveTags": [],
"descriptions": [
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}
],
"id": "CVE-2026-94282",
"lastModified": "2026-09-28T09:17:08.003",
"metrics": {
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"references": [
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"redhat_vex": {
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"current_release_date": "2026-09-28T09:08:24+00:00",
"cve": "CVE-2026-94282",
"id": "CVE-2026-94282",
"initial_release_date": "2026-09-14T21:41:25.468693+00:00",
"product_status:under_investigation": "2",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "libXi: OOB read in XI2 enter/leave/focus cookie conversion (`wireToEnterLeave`)",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-94282.json",
"version": "3"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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