CVE-2008-4309

Estado: ModificadaAlta (7.5)—
Integer overflow in the netsnmp_create_subtree_cache function in agent/snmp_agent.c in net-snmp 5.4 before 5.4.2.1, 5.3 before 5.3.2.3, and 5.2 before 5.2.5.1 allows remote attackers to cause a denial of service (crash) via a crafted SNMP GETBULK request, which triggers a heap-based buffer overflow, related to the number of responses or repeats.
CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Puntuación base: 7.5
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 4.97%
Percentil entre todas las CVEs puntuadas: 92
Fecha de la puntuación: 6/10/2026
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)

Net-snmp — Net-snmp
CWE

CWE-20
CWE-190
Referencias

JSON original (NVD)

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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
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    {
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
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          "lang": "en",
          "value": "CWE-190"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Integer overflow in the netsnmp_create_subtree_cache function in agent/snmp_agent.c in net-snmp 5.4 before 5.4.2.1, 5.3 before 5.3.2.3, and 5.2 before 5.2.5.1 allows remote attackers to cause a denial of service (crash) via a crafted SNMP GETBULK request, which triggers a heap-based buffer overflow,  related to the number of responses or repeats."
    },
    {
      "lang": "es",
      "value": "El código getbulk en net-snmp 5.4 antes de v5.4.2.1, 5.3 antes de v5.3.2.3, y 5.2 antes de v5.2.5.1 permite a atacantes remotos   provocar una denegación de servicio (caída) mediante vectores relacionados con el número de respuestas o repeticiones."
    }
  ],
  "lastModified": "2026-06-16T22:57:34.443",
  "configurations": [
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        {
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