FKIE_CVE-2026-22263

Vulnerability from fkie_nvd - Published: 2026-01-27 19:16 - Updated: 2026-01-29 21:00
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
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.
References
security-advisories@github.comhttps://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428Patch
security-advisories@github.comhttps://github.com/OISF/suricata/security/advisories/GHSA-rwc5-hxj6-hwx7Vendor Advisory
security-advisories@github.comhttps://redmine.openinfosecfoundation.org/issues/8201Permissions Required
Impacted products
Vendor Product Version
oisf suricata *
To clipboard 

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    {
      "nodes": [
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          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E7DA8362-52A2-4ACC-83F7-CA2E77AE89C6",
              "versionEndExcluding": "8.0.3",
              "versionStartIncluding": "8.0.0",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Suricata es un motor de IDS, IPS y NSM de red. A partir de la versi\u00f3n 8.0.0 y antes de la versi\u00f3n 8.0.3, una ineficiencia en el an\u00e1lisis de cabeceras http1 puede provocar una ralentizaci\u00f3n a lo largo de m\u00faltiples paquetes. La versi\u00f3n 8.0.3 corrige el problema. No se conocen soluciones alternativas disponibles."
    }
  ],
  "id": "CVE-2026-22263",
  "lastModified": "2026-01-29T21:00:55.190",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
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        "impactScore": 1.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
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  },
  "published": "2026-01-27T19:16:14.490",
  "references": [
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      "tags": [
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  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-1050"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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