Vulnerability-Lookup

CVE-2026-57224 (GCVE-0-2026-57224)

Vulnerability from cvelistv5 – Published: 2026-09-18 20:08 – Updated: 2026-09-18 20:22

Title

Suricata dhcp: unbounded transactions in unidirectional traffic can lead to resource exhaustion

Summary

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 8.0.0 until 8.0.6, the DHCP parser in rust/src/dhcp/dhcp.rs creates stateless transactions without recording their packet direction with AppLayerTxData::for_direction(), so a sensor that observes only one direction cannot mark the unseen direction inspected or free completed transactions. The RDP parser in rust/src/rdp/rdp.rs has the same direction-state defect. The per-flow transaction list can grow without bound and cleanup repeatedly scans it, causing increasing CPU and memory consumption and eventual denial of service. This issue is fixed in version 8.0.6.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-18 20:22 UTC

CWE

CWE-400 - Uncontrolled Resource Consumption
CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M mitre root

References

8 references

URL	Tags
https://github.com/OISF/suricata/security/advisor…	x_refsource_CONFIRM
https://github.com/OISF/suricata/pull/15740	x_refsource_MISC
https://github.com/OISF/suricata/commit/3f86c56c8…	x_refsource_MISC
https://github.com/OISF/suricata/commit/5af13e3eb…	x_refsource_MISC
https://github.com/OISF/suricata/commit/bac8a69ca…	x_refsource_MISC
https://github.com/OISF/suricata/commit/ef035c760…	x_refsource_MISC
https://github.com/OISF/suricata/releases/tag/sur…	x_refsource_MISC
https://redmine.openinfosecfoundation.org/issues/8621	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
OISF	suricata	Affected: >= 8.0.0, < 8.0.6	guessed

Show details on NVD website

JSON

To clipboard

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CERTFR-2026-AVI-0859

Vulnerability from certfr_avis - Published: 2026-07-10 - Updated: 2026-07-10

De multiples vulnérabilités ont été découvertes dans Suricata. Elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

	Vendor	Product	Description
	Suricata	Suricata	Suricata versions 8.x antérieures à 8.0.6
	Suricata	Suricata	Suricata versions antérieures à 7.0.17

References

Title

Publication Time

OPENSUSE-SU-2026:11308-1

Vulnerability from csaf_opensuse - Published: 2026-07-18 00:00 - Updated: 2026-09-17 17:15

Summary

libsuricata8_0_6-8.0.6-1.1 on GA media

Severity

Moderate

Scope

5 vulnerabilities in this advisory, including CVE-2026-57224.

CVE-2026-57224

Recommended: 12 products

Open the full advisory

UBUNTU-CVE-2026-57224 (CVE-2026-57224)

Vulnerability from osv_ubuntu – Published: 2026-09-14 00:00 – Updated: 2026-09-14 00:00 – Source website

Details

[dhcp: unbounded tx growth with unidirectional traffic]

Severity

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-57224	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-57224	REPORT
	https://github.com/OISF/suricata/security/advisor…	REPORT
	https://redmine.openinfosecfoundation.org/issues/8622	REPORT
	https://github.com/OISF/suricata/commit/f234d155b…	REPORT
	https://github.com/OISF/suricata/commit/bac8a69ca…	REPORT
	https://github.com/OISF/suricata/commit/ef035c760…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "suricata",
            "binary_version": "3.0-1"
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        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "suricata",
        "purl": "pkg:deb/ubuntu/suricata@3.0-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.8-1build1",
        "2.0.9-1",
        "2.0.10-1",
        "2.0.10-2",
        "2.0.11-1",
        "3.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libhtp-0.5.23-1",
            "binary_version": "3.2-2ubuntu3"
          },
          {
            "binary_name": "suricata",
            "binary_version": "3.2-2ubuntu3"
          },
          {
            "binary_name": "suricata-hyperscan",
            "binary_version": "3.2-2ubuntu3"
          },
          {
            "binary_name": "suricata-oinkmaster",
            "binary_version": "3.2-2ubuntu3"
          }
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      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "suricata",
        "purl": "pkg:deb/ubuntu/suricata@3.2-2ubuntu3?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
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            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.2-2ubuntu3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "suricata",
            "binary_version": "1:6.0.4-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "suricata",
        "purl": "pkg:deb/ubuntu/suricata@1:6.0.4-3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:6.0.4-2",
        "1:6.0.4-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "suricata",
            "binary_version": "1:7.0.3-1build3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "suricata",
        "purl": "pkg:deb/ubuntu/suricata@1:7.0.3-1build3?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:7.0.0-2",
        "1:7.0.2-1",
        "1:7.0.2-1build1",
        "1:7.0.3-1build1",
        "1:7.0.3-1build3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "suricata",
            "binary_version": "1:8.0.3-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "suricata",
        "purl": "pkg:deb/ubuntu/suricata@1:8.0.3-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:7.0.10-1",
        "1:8.0.1-3build1",
        "1:8.0.2-1",
        "1:8.0.2-1build1",
        "1:8.0.3-1"
      ]
    }
  ],
  "aliases": [],
  "details": "[dhcp: unbounded tx growth with unidirectional traffic]",
  "id": "UBUNTU-CVE-2026-57224",
  "modified": "2026-09-14T00:00:00Z",
  "published": "2026-09-14T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-57224"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-57224"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/OISF/suricata/security/advisories/GHSA-m2vc-g65c-ph7m"
    },
    {
      "type": "REPORT",
      "url": "https://redmine.openinfosecfoundation.org/issues/8622"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/OISF/suricata/commit/f234d155bcf43df403ee0823b60de8d02e2b99b2"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/OISF/suricata/commit/bac8a69ca48c14582d39a244a87edad44751ebe1"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/OISF/suricata/commit/ef035c7603293a10c5ad087e3d20b05f75236144"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-57224"
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
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.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-57224 (GCVE-0-2026-57224)

CERTFR-2026-AVI-0859

Solutions

OPENSUSE-SU-2026:11308-1

UBUNTU-CVE-2026-57224 (CVE-2026-57224)

Tags

Sightings

Nomenclature

Related by attack behaviour