GHSA-5cw4-ggx9-36vgMedium

Apache Tomcat Denial of Service via Malformed Request Headers

Published
May 2, 2022
Last Modified
January 23, 2024

🔗 CVE IDs covered (1)

CVE-2009-0033 →

📋 Description

Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18, when the Java AJP connector and mod_jk load balancing are used, allows remote attackers to cause a denial of service (application outage) via a crafted request with invalid headers, related to temporary blocking of connectors that have encountered errors, as demonstrated by an error involving a malformed HTTP Host header.

🎯 Affected products3

  • maven/org.apache.tomcat:tomcat:>= 4.1.0, <= 4.1.39
  • maven/org.apache.tomcat:tomcat:>= 5.5.0, <= 5.5.27
  • maven/org.apache.tomcat:tomcat:>= 6.0.0, <= 6.0.18

🔗 References (46)