CVE catalog

CVE-2021-3427

deluge: CVE-2021-3427

Severity: Medium · CVSS 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Published: Jan 1, 2021, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.96% · Oct 25, 2026

The Deluge Web-UI is vulnerable to XSS through a crafted torrent file. The the data from torrent files is not properly sanitised as it's interpreted directly as HTML. Someone who supplies the user with a malicious torrent file can execute arbitrary Javascript code in the context of the user's browser session.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	deluge	sid	`2.2.1~dev0+20260307-2`	fixed
Debian	deluge	forky	`2.2.1~dev0+20260307-2`	fixed
Debian	deluge	trixie	`2.2.0-1`	fixed
Debian	deluge	bookworm	`2.0.3-4`	vulnerable
Opensuse	deluge	tumbleweed	`2.1.1-3.1`	fixed
Ubuntu	deluge	16.04	`1.3.12-1ubuntu1`	vulnerable
Ubuntu	deluge	18.04	`1.3.15-2`	vulnerable
Ubuntu	deluge	20.04	`2.0.3-1`	vulnerable
Ubuntu	deluge	20.04	`2.0.3-1.1`	vulnerable
Ubuntu	deluge	20.04	`2.0.3-2`	vulnerable
Ubuntu	deluge	22.04	`2.0.3-3.1`	vulnerable
Ubuntu	deluge	24.04	`2.1.2~dev0+20230529-4`	vulnerable
Ubuntu	deluge	24.04	`2.1.2~dev0+20230827-1`	vulnerable
Ubuntu	deluge	24.04	`2.1.2~dev0+20230918-1`	vulnerable
Ubuntu	deluge	24.04	`2.1.2~dev0+20231127-1`	vulnerable
Ubuntu	deluge	24.04	`2.1.2~dev0+20240121-1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	deluge	source	sid	`2.1.1-4`	not yet assigned	Not reported	[1019594]
Debian	deluge	source	forky	`2.1.1-4`	not yet assigned	Not reported	[1019594]
Debian	deluge	source	trixie	`2.1.1-4`	not yet assigned	Not reported	[1019594]
Debian	deluge	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1019594]
Opensuse	deluge	rpm	tumbleweed	`2.1.1-3.1`	Not reported	OPENSUSE-SU-2024:12322-1	Not reported

[Debian bug #1019594]

Notes

[bookworm] deluge: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[deluge]Affected
Details (2)
- 2.0.3-4 · all · bookworm
  Affected
  dsa · deluge · debian · bookworm; dsa · deluge · debian · 12
- 2.0.3-4 · all · bookworm
  Affected
  dsa · deluge · debian · bookworm; dsa · deluge · debian · 12
[deluge-common]Affected
Source package: [deluge]
Details (2)
- 2.0.3-4 · all · bookworm
  Affected
  dsa · deluge · debian · bookworm; dsa · deluge · debian · 12
- 2.0.3-4 · all · bookworm
  Affected
  dsa · deluge · debian · bookworm; dsa · deluge · debian · 12
[deluge-console]Affected
Source package: [deluge]
Details (2)
- 2.0.3-4 · all · bookworm
  Affected
  dsa · deluge · debian · bookworm; dsa · deluge · debian · 12
- 2.0.3-4 · all · bookworm
  Affected
  dsa · deluge · debian · bookworm; dsa · deluge · debian · 12
[deluged]Affected
Source package: [deluge]
Details (2)
- 2.0.3-4 · all · bookworm
  Affected
  dsa · deluge · debian · bookworm; dsa · deluge · debian · 12
- 2.0.3-4 · all · bookworm
  Affected
  dsa · deluge · debian · bookworm; dsa · deluge · debian · 12
[deluge-gtk]Affected
Source package: [deluge]
Details (2)
- 2.0.3-4 · all · bookworm
  Affected
  dsa · deluge · debian · bookworm; dsa · deluge · debian · 12
- 2.0.3-4 · all · bookworm
  Affected
  dsa · deluge · debian · bookworm; dsa · deluge · debian · 12
[deluge-web]Affected
Source package: [deluge]
Details (2)
- 2.0.3-4 · all · bookworm
  Affected
  dsa · deluge · debian · bookworm; dsa · deluge · debian · 12
- 2.0.3-4 · all · bookworm
  Affected
  dsa · deluge · debian · bookworm; dsa · deluge · debian · 12

[openSUSE Tumbleweed]

[deluge-lang]Unknown
Source package: [deluge]
Details (1)
- 2.2.0-2.2 · noarch · tumbleweed
  Unknown · Fixed: 2.1.1-3.1
  Version impact unknown
  dsa · deluge · opensuse · tumbleweed
[deluge]Fixed
Source package: [deluge]
Details (1)
- 2.2.0-2.2 · noarch · tumbleweed
  Fixed · Fixed: 2.1.1-3.1
  dsa · deluge · opensuse · tumbleweed

[Debian 13 (Trixie)]

[deluge]Fixed
Details (2)
- 2.2.0-1 · all · trixie
  Fixed · Fixed: 2.1.1-4
  dsa · deluge · debian · 13
- 2.2.0-1 · all · trixie
  Fixed · Fixed: 2.1.1-4
  dsa · deluge · debian · 13
[deluge-common]Fixed
Source package: [deluge]
Details (2)
- 2.2.0-1 · all · trixie
  Fixed · Fixed: 2.1.1-4
  dsa · deluge · debian · 13
- 2.2.0-1 · all · trixie
  Fixed · Fixed: 2.1.1-4
  dsa · deluge · debian · 13
[deluge-console]Fixed
Source package: [deluge]
Details (2)
- 2.2.0-1 · all · trixie
  Fixed · Fixed: 2.1.1-4
  dsa · deluge · debian · 13
- 2.2.0-1 · all · trixie
  Fixed · Fixed: 2.1.1-4
  dsa · deluge · debian · 13
[deluged]Fixed
Source package: [deluge]
Details (2)
- 2.2.0-1 · all · trixie
  Fixed · Fixed: 2.1.1-4
  dsa · deluge · debian · 13
- 2.2.0-1 · all · trixie
  Fixed · Fixed: 2.1.1-4
  dsa · deluge · debian · 13
[deluge-gtk]Fixed
Source package: [deluge]
Details (2)
- 2.2.0-1 · all · trixie
  Fixed · Fixed: 2.1.1-4
  dsa · deluge · debian · 13
- 2.2.0-1 · all · trixie
  Fixed · Fixed: 2.1.1-4
  dsa · deluge · debian · 13
[deluge-web]Fixed
Source package: [deluge]
Details (2)
- 2.2.0-1 · all · trixie
  Fixed · Fixed: 2.1.1-4
  dsa · deluge · debian · 13
- 2.2.0-1 · all · trixie
  Fixed · Fixed: 2.1.1-4
  dsa · deluge · debian · 13

Observed: Oct 23, 2026, 5:58:10 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]