Vulnerability-Lookup

CVE-2025-59351 (GCVE-0-2025-59351)

Vulnerability from cvelistv5 – Published: 2025-09-17 19:46 – Updated: 2025-09-18 17:42

Title

Dragonfly possibly panics due to nil pointer dereference when using variables created alongside an error

Summary

Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, the first return value of a function is dereferenced even when the function returns an error. This can result in a nil dereference, and cause code to panic. This vulnerability is fixed in 2.1.0.

Severity

2.7 (Low)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-09-18 17:42 UTC

CWE

CWE-476 - NULL Pointer Dereference

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/dragonflyoss/dragonfly/securit…	x_refsource_CONFIRM
https://github.com/dragonflyoss/dragonfly/blob/ma…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
dragonflyoss	dragonfly	Affected: < 2.1.0	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-59351

Vulnerability from fkie_nvd - Published: 2025-09-17 20:15 - Updated: 2026-06-17 09:45

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/dragonflyoss/dragonfly/blob/main/docs/security/dragonfly-comprehensive-report-2023.pdf	Product
	security-advisories@github.com	https://github.com/dragonflyoss/dragonfly/security/advisories/GHSA-4mhv-8rh3-4ghw	Patch, Third Party Advisory

Impacted products

	Vendor	Product	Version
	linuxfoundation	dragonfly	*

JSON

To clipboard

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  "lastModified": "2026-06-17T09:45:57.573",
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}

GHSA-4MHV-8RH3-4GHW

Vulnerability from github – Published: 2025-09-17 20:10 – Updated: 2025-09-26 16:18

Summary

DragonFly vulnerable to panics due to nil pointer dereference when using variables created alongside an error

Details

Impact

We found two instances in the DragonFly codebase where the first return value of a function is dereferenced even when the function returns an error (figures 9.1 and 9.2). This can result in a nil dereference, and cause code to panic. The codebase may contain additional instances of the bug.

request, err := source.NewRequestWithContext(ctx, parentReq.Url,
parentReq.UrlMeta.Header)
if err != nil {
       log.Errorf("generate url [%v] request error: %v", request.URL, err)
       span.RecordError(err)
       return err
}

Eve is a malicious actor operating a peer machine. She sends a dfdaemonv1.DownRequest request to her peer Alice. Alice’s machine receives the request, resolves a nil variable in the server.Download method, and panics.

Patches

Dragonfy v2.1.0 and above.

Workarounds

There are no effective workarounds, beyond upgrading.

References

A third party security audit was performed by Trail of Bits, you can see the full report.

If you have any questions or comments about this advisory, please email us at dragonfly-maintainers@googlegroups.com.

Severity

5.5 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/dragonflyoss/dragonfly"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "d7y.io/dragonfly/v2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-59351"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-09-17T20:10:53Z",
    "nvd_published_at": "2025-09-17T20:15:37Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nWe found two instances in the DragonFly codebase where the first return value of a function is dereferenced even when the function returns an error (figures 9.1 and 9.2). This can result in a nil dereference, and cause code to panic. The codebase may contain additional instances of the bug.\n\n```golang\nrequest, err := source.NewRequestWithContext(ctx, parentReq.Url,\nparentReq.UrlMeta.Header)\nif err != nil {\n       log.Errorf(\"generate url [%v] request error: %v\", request.URL, err)\n       span.RecordError(err)\n       return err\n}\n```\n\nEve is a malicious actor operating a peer machine. She sends a dfdaemonv1.DownRequest request to her peer Alice. Alice\u2019s machine receives the request, resolves a nil variable in the server.Download method, and panics.\n\n### Patches\n\n- Dragonfy v2.1.0 and above.\n\n### Workarounds\n\nThere are no effective workarounds, beyond upgrading.\n\n### References\n\nA third party security audit was performed by Trail of Bits, you can see the [full report](https://github.com/dragonflyoss/dragonfly/blob/main/docs/security/dragonfly-comprehensive-report-2023.pdf).\n\nIf you have any questions or comments about this advisory, please email us at [dragonfly-maintainers@googlegroups.com](mailto:dragonfly-maintainers@googlegroups.com).",
  "id": "GHSA-4mhv-8rh3-4ghw",
  "modified": "2025-09-26T16:18:25Z",
  "published": "2025-09-17T20:10:53Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/dragonflyoss/dragonfly/security/advisories/GHSA-4mhv-8rh3-4ghw"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59351"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/dragonflyoss/dragonfly"
    },
    {
      "type": "WEB",
      "url": "https://github.com/dragonflyoss/dragonfly/blob/main/docs/security/dragonfly-comprehensive-report-2023.pdf"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2025-3970"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "DragonFly vulnerable to panics due to nil pointer dereference when using variables created alongside an error"
}

OPENSUSE-SU-2025:15576-1

Vulnerability from csaf_opensuse - Published: 2025-09-25 00:00 - Updated: 2025-09-25 00:00

Summary

govulncheck-vulndb-0.0.20250924T192141-1.1 on GA media

Severity

Moderate

Scope

16 vulnerabilities in this advisory, including CVE-2025-59351.

CVE-2025-59351

5.3 (Medium)


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

Recommended: 4 products

Open the full advisory

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-2025-59351 (GCVE-0-2025-59351)

FKIE_CVE-2025-59351

GHSA-4MHV-8RH3-4GHW

Impact

Patches

Workarounds

References

OPENSUSE-SU-2025:15576-1

Tags

Sightings

Nomenclature

Related by attack behaviour