CVE-2026-33257

Estado: AnalizadaAlta (7.5)—

An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.

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: 1.06%
Percentil entre todas las CVEs puntuadas: 63
Fecha de la puntuación: 5/10/2026

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).

🎯 Técnicas ATT&CK

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

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access85 %
Impacto principalT1499 Endpoint Denial of Serviceimpact90 %

Vulnerabilidad de negación de servicio por asignación ilimitada de memoria en servidor web expuesto en red (AV:N, AC:L, PR:N, UI:N). Explotación remota sin autenticación ni interacción (T1190); impacto DoS por agotamiento de recursos (T1499).

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

Filter Network Traffic Vulnerability Scanning Privileged Account Management Network Segmentation Limit Access to Resource Over Network Application Isolation and Sandboxing

Tecnologías afectadas (3)

Powerdns — Authoritative Powerdns — Dnsdist Powerdns — Recursor

CWE

CWE-770

Referencias

JSON original (NVD)

Mostrar

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