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CVE-2026-22263

Estado: AnalizadaMedia (5.3)—

Suricata is a network IDS, IPS and NSM engine. Starting in version 8.0.0 and prior to version 8.0.3, inefficiency in http1 headers parsing can lead to slowdown over multiple packets. Version 8.0.3 patches the issue. No known workarounds are available.

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)

Oisf — Suricata

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2026-22263",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
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              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-01-27T19:52:05.707993Z"
        }
      }
    ],
    "cvssMetricV31": [
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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  "affected": [
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      "source": "security-advisories@github.com",
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  "published": "2026-01-27T19:16:14.490",
  "references": [
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      "url": "https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428",
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    },
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      "value": "Suricata es un motor de IDS, IPS y NSM de red. A partir de la versión 8.0.0 y antes de la versión 8.0.3, una ineficiencia en el análisis de cabeceras http1 puede provocar una ralentización a lo largo de múltiples paquetes. La versión 8.0.3 corrige el problema. No se conocen soluciones alternativas disponibles."
    }
  ],
  "lastModified": "2026-06-17T10:19:39.560",
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