Vulnerability-Lookup

PYSEC-2026-39

Vulnerability from pysec - Published: 2026-03-22 01:16 - Updated: 2026-03-24 14:41

Details

Deluge 1.3.15 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the URL field. Attackers can paste a buffer of 5000 characters into the 'From URL' field during torrent addition to trigger an application crash.

Severity

5.5 (Medium)


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

Impacted products

Name	purl
deluge	pkg:pypi/deluge

Aliases

CVE-2019-25586

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "deluge",
        "purl": "pkg:pypi/deluge"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.3.15"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2019-25586"
  ],
  "details": "Deluge 1.3.15 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the URL field. Attackers can paste a buffer of 5000 characters into the \u0027From URL\u0027 field during torrent addition to trigger an application crash.",
  "id": "PYSEC-2026-39",
  "modified": "2026-03-24T14:41:36.730Z",
  "published": "2026-03-22T01:16:56.697Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://download.deluge-torrent.org/windows/deluge-1.3.15-win32-py2.7.exe"
    },
    {
      "type": "WEB",
      "url": "https://dev.deluge-torrent.org/"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/deluge-denial-of-service-via-url-field"
    },
    {
      "type": "EVIDENCE",
      "url": "https://www.exploit-db.com/exploits/46883"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2019-25586 (GCVE-0-2019-25586)

Vulnerability from cvelistv5 – Published: 2026-03-22 00:11 – Updated: 2026-03-23 16:31

Title

Deluge 1.3.15 Denial of Service via URL Field

Summary

Severity

6.9 (Medium)


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

6.2 (Medium)


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

CWE

CWE-466 - Return of Pointer Value Outside of Expected Range

Assigner

VulnCheck

References

4 references

URL	Tags
https://www.exploit-db.com/exploits/46883	exploit
https://dev.deluge-torrent.org/	product
http://download.deluge-torrent.org/windows/deluge…	product
https://www.vulncheck.com/advisories/deluge-denia…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Dev	Deluge	Affected: 1.3.15

Date Public

2019-05-21 00:00

Credits

Victor Mondragón

Show details on NVD website

JSON

To clipboard

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                "options": [
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                  },
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                  },
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-23T16:31:42.508827Z",
                "version": "2.0.3"
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        },
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          "url": "https://dev.deluge-torrent.org/"
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          "url": "http://download.deluge-torrent.org/windows/deluge-1.3.15-win32-py2.7.exe"
        },
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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.

Action not permitted

PYSEC-2026-39

CVE-2019-25586 (GCVE-0-2019-25586)

Tags

Sightings

Nomenclature