Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.81 and from 8.5.0 through 8.5.93 did not correctly parse HTTP trailer headers. A specially crafted, invalid trailer header could cause Tomcat to treat a single request as multiple requests leading to the possibility of request smuggling when behind a reverse proxy.
Older, EOL versions may also be affected.
Users are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fix the issue.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Tomcat | Apache | 8.5.0 (including) | 8.5.94 (excluding) |
Tomcat | Apache | 9.0.1 (including) | 9.0.81 (excluding) |
Tomcat | Apache | 10.1.1 (including) | 10.1.14 (excluding) |
Tomcat | Apache | 9.0.0-milestone1 (including) | 9.0.0-milestone1 (including) |
Tomcat | Apache | 9.0.0-milestone10 (including) | 9.0.0-milestone10 (including) |
Tomcat | Apache | 9.0.0-milestone11 (including) | 9.0.0-milestone11 (including) |
Tomcat | Apache | 9.0.0-milestone12 (including) | 9.0.0-milestone12 (including) |
Tomcat | Apache | 9.0.0-milestone13 (including) | 9.0.0-milestone13 (including) |
Tomcat | Apache | 9.0.0-milestone14 (including) | 9.0.0-milestone14 (including) |
Tomcat | Apache | 9.0.0-milestone15 (including) | 9.0.0-milestone15 (including) |
Tomcat | Apache | 9.0.0-milestone16 (including) | 9.0.0-milestone16 (including) |
Tomcat | Apache | 9.0.0-milestone17 (including) | 9.0.0-milestone17 (including) |
Tomcat | Apache | 9.0.0-milestone18 (including) | 9.0.0-milestone18 (including) |
Tomcat | Apache | 9.0.0-milestone19 (including) | 9.0.0-milestone19 (including) |
Tomcat | Apache | 9.0.0-milestone2 (including) | 9.0.0-milestone2 (including) |
Tomcat | Apache | 9.0.0-milestone20 (including) | 9.0.0-milestone20 (including) |
Tomcat | Apache | 9.0.0-milestone21 (including) | 9.0.0-milestone21 (including) |
Tomcat | Apache | 9.0.0-milestone22 (including) | 9.0.0-milestone22 (including) |
Tomcat | Apache | 9.0.0-milestone23 (including) | 9.0.0-milestone23 (including) |
Tomcat | Apache | 9.0.0-milestone24 (including) | 9.0.0-milestone24 (including) |
Tomcat | Apache | 9.0.0-milestone25 (including) | 9.0.0-milestone25 (including) |
Tomcat | Apache | 9.0.0-milestone26 (including) | 9.0.0-milestone26 (including) |
Tomcat | Apache | 9.0.0-milestone27 (including) | 9.0.0-milestone27 (including) |
Tomcat | Apache | 9.0.0-milestone3 (including) | 9.0.0-milestone3 (including) |
Tomcat | Apache | 9.0.0-milestone4 (including) | 9.0.0-milestone4 (including) |
Tomcat | Apache | 9.0.0-milestone5 (including) | 9.0.0-milestone5 (including) |
Tomcat | Apache | 9.0.0-milestone6 (including) | 9.0.0-milestone6 (including) |
Tomcat | Apache | 9.0.0-milestone7 (including) | 9.0.0-milestone7 (including) |
Tomcat | Apache | 9.0.0-milestone8 (including) | 9.0.0-milestone8 (including) |
Tomcat | Apache | 9.0.0-milestone9 (including) | 9.0.0-milestone9 (including) |
Tomcat | Apache | 10.1.0-milestone1 (including) | 10.1.0-milestone1 (including) |
Tomcat | Apache | 10.1.0-milestone10 (including) | 10.1.0-milestone10 (including) |
Tomcat | Apache | 10.1.0-milestone11 (including) | 10.1.0-milestone11 (including) |
Tomcat | Apache | 10.1.0-milestone12 (including) | 10.1.0-milestone12 (including) |
Tomcat | Apache | 10.1.0-milestone13 (including) | 10.1.0-milestone13 (including) |
Tomcat | Apache | 10.1.0-milestone14 (including) | 10.1.0-milestone14 (including) |
Tomcat | Apache | 10.1.0-milestone15 (including) | 10.1.0-milestone15 (including) |
Tomcat | Apache | 10.1.0-milestone16 (including) | 10.1.0-milestone16 (including) |
Tomcat | Apache | 10.1.0-milestone17 (including) | 10.1.0-milestone17 (including) |
Tomcat | Apache | 10.1.0-milestone18 (including) | 10.1.0-milestone18 (including) |
Tomcat | Apache | 10.1.0-milestone19 (including) | 10.1.0-milestone19 (including) |
Tomcat | Apache | 10.1.0-milestone2 (including) | 10.1.0-milestone2 (including) |
Tomcat | Apache | 10.1.0-milestone20 (including) | 10.1.0-milestone20 (including) |
Tomcat | Apache | 10.1.0-milestone3 (including) | 10.1.0-milestone3 (including) |
Tomcat | Apache | 10.1.0-milestone4 (including) | 10.1.0-milestone4 (including) |
Tomcat | Apache | 10.1.0-milestone5 (including) | 10.1.0-milestone5 (including) |
Tomcat | Apache | 10.1.0-milestone6 (including) | 10.1.0-milestone6 (including) |
Tomcat | Apache | 10.1.0-milestone7 (including) | 10.1.0-milestone7 (including) |
Tomcat | Apache | 10.1.0-milestone8 (including) | 10.1.0-milestone8 (including) |
Tomcat | Apache | 10.1.0-milestone9 (including) | 10.1.0-milestone9 (including) |
Tomcat | Apache | 11.0.0-milestone1 (including) | 11.0.0-milestone1 (including) |
Tomcat | Apache | 11.0.0-milestone10 (including) | 11.0.0-milestone10 (including) |
Tomcat | Apache | 11.0.0-milestone11 (including) | 11.0.0-milestone11 (including) |
Tomcat | Apache | 11.0.0-milestone2 (including) | 11.0.0-milestone2 (including) |
Tomcat | Apache | 11.0.0-milestone3 (including) | 11.0.0-milestone3 (including) |
Tomcat | Apache | 11.0.0-milestone4 (including) | 11.0.0-milestone4 (including) |
Tomcat | Apache | 11.0.0-milestone5 (including) | 11.0.0-milestone5 (including) |
Tomcat | Apache | 11.0.0-milestone6 (including) | 11.0.0-milestone6 (including) |
Tomcat | Apache | 11.0.0-milestone7 (including) | 11.0.0-milestone7 (including) |
Tomcat | Apache | 11.0.0-milestone8 (including) | 11.0.0-milestone8 (including) |
Tomcat | Apache | 11.0.0-milestone9 (including) | 11.0.0-milestone9 (including) |
Red Hat Enterprise Linux 8 | RedHat | tomcat-1:9.0.62-27.el8_9.2 | * |
Red Hat Enterprise Linux 9 | RedHat | tomcat-1:9.0.62-37.el9_3.1 | * |
Red Hat Fuse 7.12.1 | RedHat | tomcat | * |
Red Hat JBoss Web Server 5 | RedHat | tomcat | * |
Red Hat JBoss Web Server 5.7 on RHEL 7 | RedHat | jws5-tomcat-0:9.0.62-18.redhat_00016.1.el7jws | * |
Red Hat JBoss Web Server 5.7 on RHEL 8 | RedHat | jws5-tomcat-0:9.0.62-18.redhat_00016.1.el8jws | * |
Red Hat JBoss Web Server 5.7 on RHEL 9 | RedHat | jws5-tomcat-0:9.0.62-18.redhat_00016.1.el9jws | * |
Red Hat OpenShift Dev Spaces 3 Containers | RedHat | devspaces/server-rhel8:3.15-3 | * |
Tomcat10 | Ubuntu | bionic | * |
Tomcat10 | Ubuntu | lunar | * |
Tomcat10 | Ubuntu | mantic | * |
Tomcat10 | Ubuntu | trusty | * |
Tomcat10 | Ubuntu | upstream | * |
Tomcat10 | Ubuntu | xenial | * |
Tomcat8 | Ubuntu | bionic | * |
Tomcat8 | Ubuntu | esm-apps/bionic | * |
Tomcat8 | Ubuntu | trusty | * |
Tomcat8 | Ubuntu | upstream | * |
Tomcat8 | Ubuntu | xenial | * |
Tomcat9 | Ubuntu | bionic | * |
Tomcat9 | Ubuntu | devel | * |
Tomcat9 | Ubuntu | esm-apps/bionic | * |
Tomcat9 | Ubuntu | esm-apps/focal | * |
Tomcat9 | Ubuntu | esm-apps/jammy | * |
Tomcat9 | Ubuntu | esm-apps/noble | * |
Tomcat9 | Ubuntu | focal | * |
Tomcat9 | Ubuntu | jammy | * |
Tomcat9 | Ubuntu | lunar | * |
Tomcat9 | Ubuntu | mantic | * |
Tomcat9 | Ubuntu | noble | * |
Tomcat9 | Ubuntu | oracular | * |
Tomcat9 | Ubuntu | plucky | * |
Tomcat9 | Ubuntu | trusty | * |
Tomcat9 | Ubuntu | upstream | * |
Tomcat9 | Ubuntu | xenial | * |
Input validation is a frequently-used technique for checking potentially dangerous inputs in order to ensure that the inputs are safe for processing within the code, or when communicating with other components. Input can consist of:
Data can be simple or structured. Structured data can be composed of many nested layers, composed of combinations of metadata and raw data, with other simple or structured data. Many properties of raw data or metadata may need to be validated upon entry into the code, such as:
Implied or derived properties of data must often be calculated or inferred by the code itself. Errors in deriving properties may be considered a contributing factor to improper input validation.