CVE-2019-25586

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.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
http://download.deluge-torrent.org/windows/deluge-1.3.15-win32-py2.7.exe	Product
https://dev.deluge-torrent.org/	Product
https://www.exploit-db.com/exploits/46883	Exploit Third Party Advisory VDB Entry
https://www.vulncheck.com/advisories/deluge-denial-of-service-via-url-field	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:deluge-torrent:deluge:1.3.15:*:*:*:*:*:*:*

History

24 Mar 2026, 14:41

Type	Values Removed	Values Added
CPE		cpe:2.3:a:deluge-torrent:deluge:1.3.15:::::::*
First Time		Deluge-torrent deluge Deluge-torrent
References	~~() http://download.deluge-torrent.org/windows/deluge-1.3.15-win32-py2.7.exe -~~	() http://download.deluge-torrent.org/windows/deluge-1.3.15-win32-py2.7.exe - Product
References	~~() https://dev.deluge-torrent.org/ -~~	() https://dev.deluge-torrent.org/ - Product
References	~~() https://www.exploit-db.com/exploits/46883 -~~	() https://www.exploit-db.com/exploits/46883 - Exploit, Third Party Advisory, VDB Entry
References	~~() https://www.vulncheck.com/advisories/deluge-denial-of-service-via-url-field -~~	() https://www.vulncheck.com/advisories/deluge-denial-of-service-via-url-field - Third Party Advisory

22 Mar 2026, 01:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-22 01:16

Updated : 2026-03-24 14:41

NVD link : CVE-2019-25586

Mitre link : CVE-2019-25586

CVE.ORG link : CVE-2019-25586

JSON object : View

Products Affected

deluge-torrent

deluge

CWE

CWE-466

Return of Pointer Value Outside of Expected Range

{"id": "CVE-2019-25586", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.5}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.9, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-03-22T01:16:56.697", "references": [{"url": "http://download.deluge-torrent.org/windows/deluge-1.3.15-win32-py2.7.exe", "tags": ["Product"], "source": "disclosure@vulncheck.com"}, {"url": "https://dev.deluge-torrent.org/", "tags": ["Product"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.exploit-db.com/exploits/46883", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/deluge-denial-of-service-via-url-field", "tags": ["Third Party Advisory"], "source": "disclosure@vulncheck.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-466"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-03-24T14:41:36.730", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:deluge-torrent:deluge:1.3.15:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA2EDC5F-A278-4C76-B8F6-DD218152AB7C"}], "operator": "OR"}]}], "sourceIdentifier": "disclosure@vulncheck.com"}