CVE-2019-25586

MEDIUM

Deluge 1.3.15 Denial of Service via URL Field

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-25586. PoCs published by Victor Mondragón.

AI-analyzed exploit summary This PoC exploits a denial-of-service vulnerability in Deluge 1.3.15 by crafting a maliciously long URL string (5000 'A' characters) that crashes the application when pasted into the 'Add Torrent from URL' field. The exploit leverages a buffer overflow or improper input validation in the URL parsing logic.

Description

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.

Exploits (1)

exploitdb WORKING POC
by Victor Mondragón · pythondosmultiple
https://www.exploit-db.com/exploits/46883

This PoC exploits a denial-of-service vulnerability in Deluge 1.3.15 by crafting a maliciously long URL string (5000 'A' characters) that crashes the application when pasted into the 'Add Torrent from URL' field. The exploit leverages a buffer overflow or improper input validation in the URL parsing logic.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Deluge 1.3.15
No auth needed
Prerequisites: Deluge 1.3.15 installed on the target system · User interaction to paste the malicious URL
devstral-2 · analyzed Mar 22, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit exploit
ExploitDB-46883
https://www.exploit-db.com/exploits/46883
Product product
Official Product Homepage
https://dev.deluge-torrent.org/
Third Party Advisory third-party-advisory
VulnCheck Advisory: Deluge 1.3.15 Denial of Service via URL Field
https://www.vulncheck.com/advisories/deluge-denial-of-service-via-url-field

Scores

CVSS v3 6.2
EPSS 0.0018
EPSS Percentile 7.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-466
Status published
Products (2)
deluge-torrent/deluge 1.3.15
Dev/Deluge 1.3.15
Published Mar 22, 2026
Tracked Since Mar 22, 2026