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CVE-2026-88832

Estado: Pendiente de análisisAlta (7.3)—

BusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vector AV:L/PR:L requiere acceso local; heap buffer overflow en parsing de metadatos permite escalada o ejecución. CWE-787 (out-of-bounds write) típicamente causa RCE o DoS.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Restrict Web-Based ContentPrivileged Account ManagementLimit Software InstallationFilter Network TrafficExecution PreventionBehavior Prevention on Endpoint

Tecnologías afectadas (1)

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

Busybox — BusyboxAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-88832",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2026-88832",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-23T00:00:00+00:00"
        }
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    "cvssMetricV31": [
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.3,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 1.3
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      "affectedData": [
        {
          "cpes": [
            "cpe:/a:redhat:hummingbird:1"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Hardened Images",
          "versions": [
            {
              "status": "unaffected",
              "version": "1.37.0-9.1.hum1",
              "lessThan": "*",
              "versionType": "rpm"
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          ],
          "packageName": "busybox-main",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
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  "published": "2026-09-23T17:17:18.573",
  "references": [
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      "url": "https://access.redhat.com/errata/RHSA-2026:72111",
      "source": "secalert@redhat.com"
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    {
      "url": "https://access.redhat.com/security/cve/CVE-2026-88832",
      "source": "secalert@redhat.com"
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2531345",
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  "weaknesses": [
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    {
      "lang": "en",
      "value": "BusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images."
    }
  ],
  "lastModified": "2026-09-25T23:16:54.570",
  "sourceIdentifier": "secalert@redhat.com"
}