Medium

Improper Neutralization of CRLF Sequences in Wildfly Undertow

  • Disclosed: 17.05.2022
  • Updated: 11.10.2026 11:20

CRLF injection vulnerability in the Undertow web server in WildFly 10.0.0, as used in Red Hat JBoss Enterprise Application Platform (EAP) 7.x before 7.0.2, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.

Affected software

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PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) org.wildfly:wildfly-undertow >= 10.0.0.Final, < 11.0.0.Final 11.0.0.Final

References

CVSS score 6.1/10
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE)
CWE-93
Platform
Java / Kotlin (Maven)
Package
org.wildfly:wildfly-undertow
Disclosed
17.05.2022
Updated
11.10.2026 11:20

Sources and licenses

OSV / GitHub Advisory Database - GHSA-qcqr-hcjq-whfq - CC BY 4.0

Vulnerability history: org.wildfly:wildfly-undertow

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

Total entries
4
First → latest
10.2018 05.2022
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 2
  • Medium 2

Disclosures per year

  1. 2018: 1
  2. 2019: 0
  3. 2020: 0
  4. 2021: 0
  5. 2022: 3
  6. 2023: 0
  7. 2024: 0
  8. 2025: 0
  9. 2026: 0
  1. Improper Neutralization of CRLF Sequences in Wildfly Undertow this entry
    Medium · 6.1 CVE-2016-4993 >= 10.0.0.Final, < 11.0.0.Final 11.0.0.Final
  2. High · 7.5 CVE-2016-0793 < 10.0.0.Final 10.0.0.Final
  3. High · 7.5 CVE-2016-9589 < 11.0.0.Beta1 11.0.0.Beta1
  4. Medium · 5.5 CVE-2018-1047 < 12.0.0 12.0.0

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