FKIE_CVE-2024-21886
Vulnerability from fkie_nvd - Published: 2024-02-28 13:15 - Updated: 2025-11-04 22:15
Severity ?
Summary
A heap buffer overflow flaw was found in the DisableDevice function in the X.Org server. This issue may lead to an application crash or, in some circumstances, remote code execution in SSH X11 forwarding environments.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A heap buffer overflow flaw was found in the DisableDevice function in the X.Org server. This issue may lead to an application crash or, in some circumstances, remote code execution in SSH X11 forwarding environments."
},
{
"lang": "es",
"value": "Se encontr\u00f3 una falla de desbordamiento de b\u00fafer de almacenamiento din\u00e1mico en la funci\u00f3n DisableDevice en el servidor X.Org. Este problema puede provocar un bloqueo de la aplicaci\u00f3n o, en algunas circunstancias, la ejecuci\u00f3n remota de c\u00f3digo en entornos de reenv\u00edo SSH X11."
}
],
"id": "CVE-2024-21886",
"lastModified": "2025-11-04T22:15:57.770",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "secalert@redhat.com",
"type": "Secondary"
}
]
},
"published": "2024-02-28T13:15:08.440",
"references": [
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:0320"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:0557"
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"url": "https://access.redhat.com/errata/RHSA-2024:0558"
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{
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{
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{
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{
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:0626"
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{
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:2169"
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:2170"
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{
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:2996"
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{
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"url": "https://access.redhat.com/errata/RHSA-2025:12751"
},
{
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"url": "https://access.redhat.com/security/cve/CVE-2024-21886"
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{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2256542"
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2024:0320"
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:0557"
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:0558"
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:0597"
},
{
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"url": "https://access.redhat.com/errata/RHSA-2024:0607"
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:0614"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2024:0617"
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2024:0621"
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2024:0626"
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{
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:2169"
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:2170"
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{
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00016.html"
},
{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5J4H7CH565ALSZZYKOJFYDA5KFLG6NUK/"
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IZ75X54CN4IFYMIV7OK3JVZ57FHQIGIC/"
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TZ2IJJDHJETNE76VUX4G7UI5EG5HYFEH/"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-122"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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