vulnerability

Ubuntu: (Multiple Advisories) (CVE-2021-25122): Tomcat vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Mar 1, 2021
Added
Apr 1, 2022
Modified
Aug 18, 2025

Description

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.

Solutions

ubuntu-pro-upgrade-libtomcat8-javaubuntu-pro-upgrade-libtomcat9-embed-javaubuntu-pro-upgrade-libtomcat9-javaubuntu-pro-upgrade-tomcat8ubuntu-pro-upgrade-tomcat8-docsubuntu-pro-upgrade-tomcat9ubuntu-pro-upgrade-tomcat9-commonubuntu-pro-upgrade-tomcat9-docs
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.