All vulnerabilities

Servers and applications

CVE-2022-42252

If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false (the default for 8.5.x only), Tomcat did not reject a request containing an invalid Content-Length header making a request smuggling attack possible if Tomcat was located behind a reverse proxy that also failed to…

Severity
High 7.5
Published
1 Nov 2022
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
8.5.83, 9.0.68, 10.0.27, 10.1.1
Sources
NVD

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • From 8.5.0 before 8.5.83
  • From 9.0.0 before 9.0.68
  • From 10.0.0 before 10.0.27
  • From 10.1.0 before 10.1.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-42252
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-42252