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CVE-2026-4367

Estado: Pendiente de análisisMedia (5.5)—

A flaw was found in libXpm. A local user with low privileges could exploit an Out-of-Bounds Read vulnerability in the `xpmNextWord()` function by processing a specially crafted or very small XPM (X PixMap) image file. This improper validation of file boundaries can cause an internal pointer to read beyond the file's end, leading to application crashes and Denial of Service conditions.

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.

Libxpm — LibxpmAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-4367",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "ssvcData": {
          "id": "CVE-2026-4367",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-06-16T18:45:23.608458Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secalert@redhat.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
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      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:/a:redhat:hummingbird:1"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Hardened Images",
          "versions": [
            {
              "status": "unaffected",
              "version": "3.5.17-7.2.hum1",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "libxpm-main",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
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          "vendor": "Red Hat",
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          "versions": [
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              "lessThan": "*",
              "versionType": "rpm"
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          "defaultStatus": "affected"
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          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 10",
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          "defaultStatus": "affected"
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          "cpes": [
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          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 6",
          "packageName": "libXpm",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7"
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          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 7",
          "packageName": "libXpm",
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          "defaultStatus": "affected"
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  "published": "2026-06-16T19:16:59.233",
  "references": [
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:30354",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:47072",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/security/cve/CVE-2026-4367",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2448984",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://gitlab.freedesktop.org/xorg/lib/libxpm/-/commit/5448e1bd",
      "source": "secalert@redhat.com"
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    {
      "url": "https://seclists.org/oss-sec/2026/q2/192",
      "source": "secalert@redhat.com"
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    {
      "url": "http://www.openwall.com/lists/oss-security/2026/04/21/3",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Awaiting Analysis",
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      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
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    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in libXpm. A local user with low privileges could exploit an Out-of-Bounds Read vulnerability in the `xpmNextWord()` function by processing a specially crafted or very small XPM (X PixMap) image file. This improper validation of file boundaries can cause an internal pointer to read beyond the file's end, leading to application crashes and Denial of Service conditions."
    }
  ],
  "lastModified": "2026-07-28T10:16:48.680",
  "sourceIdentifier": "secalert@redhat.com"
}