Medium

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 Webseeds field. Attackers can paste a buffe

  • Disclosed: 22.03.2026
  • Updated: 11.10.2026 12:19

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 Webseeds field. Attackers can paste a buffer of 5000 bytes into the Webseeds field during torrent creation to trigger an application crash.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) deluge <= 1.3.15 no fix

References

CVSS score 5.5/10
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
-
Platform
Python (PyPI)
Package
deluge
Disclosed
22.03.2026
Updated
11.10.2026 12:19

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2026-38 - PyPA Advisory Database; CC BY 4.0

Vulnerability history: deluge

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
3
First → latest
08.2022 03.2026
Without a fix
2
Exploited in attacks
0

Severity breakdown

  • Medium 3

Disclosures per year

  1. 2022: 1
  2. 2023: 0
  3. 2024: 0
  4. 2025: 0
  5. 2026: 2
  1. 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 Webseeds field. Attackers can paste a buffe this entry
    Medium · 5.5 CVE-2019-25585 <= 1.3.15 no fix
  2. Medium · 6.1 CVE-2021-3427 < 2.1.0 2.1.0

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