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CVE-2025-49177

Estado: AplazadaMedia (6.1)—

A flaw was found in the XFIXES extension. The XFixesSetClientDisconnectMode handler does not validate the request length, allowing a client to read unintended memory from previous requests.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

X.org — XfixesAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-49177",
  "cveTags": [],
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-06-17T14:57:08.270521Z"
        }
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    "cvssMetricV31": [
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        "source": "secalert@redhat.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4.2,
        "exploitabilityScore": 1.8
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  "published": "2025-06-17T15:15:45.650",
  "references": [
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:10258",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:9303",
      "source": "secalert@redhat.com"
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      "url": "https://access.redhat.com/errata/RHSA-2025:9304",
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    },
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      "url": "https://access.redhat.com/security/cve/CVE-2025-49177",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2369955",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/ab02fb96b1c701c3bb47617d965522c34befa6af",
      "source": "secalert@redhat.com"
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      "url": "https://www.x.org/wiki/Development/Security/",
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  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in the XFIXES extension. The XFixesSetClientDisconnectMode handler does not validate the request length, allowing a client to read unintended memory from previous requests."
    },
    {
      "lang": "es",
      "value": "Se detectó una falla en la extensión XFIXES. El controlador XFixesSetClientDisconnectMode no valida la longitud de la solicitud, lo que permite que un cliente lea memoria no deseada de solicitudes anteriores."
    }
  ],
  "lastModified": "2026-06-30T11:16:19.567",
  "sourceIdentifier": "secalert@redhat.com"
}