CVE-2019-25586
Deluge 1.3.15 Denial of Service via URL Field
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
6.9
Deluge 1.3.15 Denial of Service via URL Field
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.
- Record
CVE-2019-25586- CVSS 4.0
- 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 - CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-466
- Updated
- 2026-11-02
EUVDEUVD-2019-19914
6.9
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.
- Record
EUVD-2019-19914- CVSS 4.0
- 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rmf4-rvgx-3jfq
6.9
Deluge 1.3.15 contains a denial of service vulnerability that allows local attackers to crash the...
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.
- Record
GHSA-rmf4-rvgx-3jfq- CVSS 4.0
- 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/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 - CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-466
- Updated
- 2026-11-02
NVD
6.9
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.
- Record
CVE-2019-25586- CVSS 4.0
- 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/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 - CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-466
- Updated
- 2026-11-02
OSV
5.5
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.
- Record
CVE-2019-25586- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2019-25586
5.5
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.
- Record
DEBIAN-CVE-2019-25586- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVPYSEC-2026-39
5.5
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.
- Record
PYSEC-2026-39- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-25586
6.9
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.
- Record
UBUNTU-CVE-2019-25586- CVSS 4.0
- 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 - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
delugePyPI |
through 1.3.15 | None known |
delugeUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 1.3.12-1ubuntu11.3.12-1ubuntu1+esm1 |
None known |
delugeUbuntu:18.04:LTS |
All versions, plus listed versions 1.3.15-2 |
None known |
delugeUbuntu:20.04:LTS |
All versions, plus listed versions 2.0.3-12.0.3-1.12.0.3-2 |
None known |
delugeUbuntu:22.04:LTS |
All versions, plus listed versions 2.0.3-3.1 |
None known |
delugeUbuntu:24.04:LTS |
All versions, plus listed versions 2.1.2~dev0+20230529-42.1.2~dev0+20230827-12.1.2~dev0+20230918-12.1.2~dev0+20231127-12.1.2~dev0+20240121-1 |
None known |
delugeUbuntu:25.10 |
All versions, plus listed versions 2.1.2~dev0+20240910-52.2.0-1 |
None known |
delugeUbuntu:26.10 |
All versions, plus listed versions 2.2.1~dev0+20250824-32.2.1~dev0+20250824-42.2.1~dev0+20260307-1 |
None known |
delugeUbuntu:26.04:LTS |
All versions, plus listed versions 2.2.0-12.2.0-22.2.0-32.2.1~dev0+20250824-12.2.1~dev0+20250824-22.2.1~dev0+20250824-3 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | OSV | |
| affected | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-25586 is a medium vulnerability (CVSS 6.9) in Deluge-torrent Deluge, published March 22, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. No source names a fixed version.
References
exploit-db.com/exploits/46883
dev.deluge-torrent.org
download.deluge-torrent.org/windows/deluge-1.3.15-win32-py2.7.exe
vulncheck.com/advisories/deluge-denial-of-service-via-url-field
nvd.nist.gov/vuln/detail/CVE-2019-25586
github.com/advisories/GHSA-rmf4-rvgx-3jfq
security-tracker.debian.org/tracker/CVE-2019-25586
ubuntu.com/security/CVE-2019-25586
cve.org/CVERecord?id=CVE-2019-25586