CVE catalog

CVE-2021-4124

janus: CVE-2021-4124

Severity: Low
Published: Dec 16, 2021, 2:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.97% · Oct 25, 2026

janus-gateway is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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	janus	sid	`1.4.1+ds-4`	vulnerable
Debian	janus	forky	`1.4.1+ds-4`	vulnerable
Debian	janus	bookworm	`1.1.2-1`	vulnerable
Ubuntu	janus	18.04	`0.2.4-2`	vulnerable
Ubuntu	janus	18.04	`0.2.5-1`	vulnerable
Ubuntu	janus	18.04	`0.2.6-1`	vulnerable
Ubuntu	janus	18.04	`0.2.6-1build1`	vulnerable
Ubuntu	janus	18.04	`0.2.6-1build2`	vulnerable
Ubuntu	janus	20.04	`0.7.3-2`	vulnerable
Ubuntu	janus	20.04	`0.7.3-2build1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	janus	source	sid	`(unfixed)`	unimportant	Not reported	Not reported
Debian	janus	source	forky	`(unfixed)`	unimportant	Not reported	Not reported
Debian	janus	source	bookworm	`(unfixed)`	unimportant	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[janus]Affected
Details (2)
- 1.1.2-1 · amd64 · bookworm
  Affected
  dsa · janus · debian · bookworm; dsa · janus · debian · 12
- 1.1.2-1 · arm64 · bookworm
  Affected
  dsa · janus · debian · bookworm; dsa · janus · debian · 12
[janus-demos]Affected
Source package: [janus]
Details (2)
- 1.1.2-1 · all · bookworm
  Affected
  dsa · janus · debian · bookworm; dsa · janus · debian · 12
- 1.1.2-1 · all · bookworm
  Affected
  dsa · janus · debian · bookworm; dsa · janus · debian · 12
[janus-dev]Affected
Source package: [janus]
Details (2)
- 1.1.2-1 · amd64 · bookworm
  Affected
  dsa · janus · debian · bookworm; dsa · janus · debian · 12
- 1.1.2-1 · arm64 · bookworm
  Affected
  dsa · janus · debian · bookworm; dsa · janus · debian · 12
[janus-doc]Affected
Source package: [janus]
Details (2)
- 1.1.2-1 · all · bookworm
  Affected
  dsa · janus · debian · bookworm; dsa · janus · debian · 12
- 1.1.2-1 · all · bookworm
  Affected
  dsa · janus · debian · bookworm; dsa · janus · debian · 12
[janus-tools]Affected
Source package: [janus]
Details (2)
- 1.1.2-1 · amd64 · bookworm
  Affected
  dsa · janus · debian · bookworm; dsa · janus · debian · 12
- 1.1.2-1 · arm64 · bookworm
  Affected
  dsa · janus · debian · bookworm; dsa · janus · debian · 12
[libjs-janus-gateway]Affected
Source package: [janus]
Details (2)
- 1.1.2-1 · all · bookworm
  Affected
  dsa · janus · debian · bookworm; dsa · janus · debian · 12
- 1.1.2-1 · all · bookworm
  Affected
  dsa · janus · debian · bookworm; dsa · janus · debian · 12

Observed: Oct 23, 2026, 6:02:43 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]