- Issued:
- 2026-07-13
- Updated:
- 2026-07-13
RHSA-2026:38505 - Security Advisory
Synopsis
Important: tomcat security, bug fix, and enhancement update
Type/Severity
Security Advisory: Important
Red Hat Lightspeed patch analysis
Identify and remediate systems affected by this advisory.
Topic
An update for tomcat is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.
Security Fix(es):
- Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor (CVE-2026-29146)
- Apache Tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass (CVE-2026-34486)
Bug Fix(es) and Enhancement(s):
- Remove tomcat clustering JAR from RPM builds (JIRA:RHEL-183996)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
Affected Products
- Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
- Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
- Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64
- Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le
Fixes
- BZ - 2457020 - CVE-2026-29146 Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor
- BZ - 2457027 - CVE-2026-34486 Apache Tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass
- RHEL-183996 - Remove tomcat clustering JAR from RPM builds
Note:
More recent versions of these packages may be available.
Click a package name for more details.
Red Hat Enterprise Linux Server - Extended Life Cycle Support 7
| SRPM | |
|---|---|
| tomcat-7.0.76-18.el7_9.src.rpm | SHA-256: b2825d0172075f063ac3c735a3e6915dd3b93d81de6d08660f80d93ca60c12be |
| x86_64 | |
| tomcat-7.0.76-18.el7_9.noarch.rpm | SHA-256: 0de9787e8d0ac63c42c98babc6d8908f1e351cda48f64c603b2f721c9f0169da |
| tomcat-admin-webapps-7.0.76-18.el7_9.noarch.rpm | SHA-256: 17921d7e5506a5e91af11fc022d26138e5a35904d94a82cd8754628ceab07176 |
| tomcat-docs-webapp-7.0.76-18.el7_9.noarch.rpm | SHA-256: 6ec2884604063400d7caf37c00d1415835ac19728d1584a54d362de37256e1d7 |
| tomcat-el-2.2-api-7.0.76-18.el7_9.noarch.rpm | SHA-256: 9f0cdaa9714f59075a161acdf8e1a55f9001bcba27b93d321ef20eec5454df49 |
| tomcat-javadoc-7.0.76-18.el7_9.noarch.rpm | SHA-256: 0f38f11aa72c46c970107c453b0791d1f1b991490bbf4fec245e31567fdf7494 |
| tomcat-jsp-2.2-api-7.0.76-18.el7_9.noarch.rpm | SHA-256: 2e8347fc5116354da2445da506da7ab7646ca4156d62e70be6c2061aaa890403 |
| tomcat-jsvc-7.0.76-18.el7_9.noarch.rpm | SHA-256: 55eb3de983cad8765d21fcf122a42fc11c5ae72ceb329273eea2ea061195d1ae |
| tomcat-lib-7.0.76-18.el7_9.noarch.rpm | SHA-256: 0ecfba1c91387986a42a767268a96b5965a67dea3a2979b8c374724e1b3e743e |
| tomcat-servlet-3.0-api-7.0.76-18.el7_9.noarch.rpm | SHA-256: 4758ea202950b1961bb3db0879d6c5bac9f5574a348cb8a3c1b6e1272dc14e27 |
| tomcat-webapps-7.0.76-18.el7_9.noarch.rpm | SHA-256: 85e1d480bda369f7b7de9218bb9f7db7526776159db1d940a183bf671ce657a8 |
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7
| SRPM | |
|---|---|
| tomcat-7.0.76-18.el7_9.src.rpm | SHA-256: b2825d0172075f063ac3c735a3e6915dd3b93d81de6d08660f80d93ca60c12be |
| s390x | |
| tomcat-7.0.76-18.el7_9.noarch.rpm | SHA-256: 0de9787e8d0ac63c42c98babc6d8908f1e351cda48f64c603b2f721c9f0169da |
| tomcat-admin-webapps-7.0.76-18.el7_9.noarch.rpm | SHA-256: 17921d7e5506a5e91af11fc022d26138e5a35904d94a82cd8754628ceab07176 |
| tomcat-docs-webapp-7.0.76-18.el7_9.noarch.rpm | SHA-256: 6ec2884604063400d7caf37c00d1415835ac19728d1584a54d362de37256e1d7 |
| tomcat-el-2.2-api-7.0.76-18.el7_9.noarch.rpm | SHA-256: 9f0cdaa9714f59075a161acdf8e1a55f9001bcba27b93d321ef20eec5454df49 |
| tomcat-javadoc-7.0.76-18.el7_9.noarch.rpm | SHA-256: 0f38f11aa72c46c970107c453b0791d1f1b991490bbf4fec245e31567fdf7494 |
| tomcat-jsp-2.2-api-7.0.76-18.el7_9.noarch.rpm | SHA-256: 2e8347fc5116354da2445da506da7ab7646ca4156d62e70be6c2061aaa890403 |
| tomcat-jsvc-7.0.76-18.el7_9.noarch.rpm | SHA-256: 55eb3de983cad8765d21fcf122a42fc11c5ae72ceb329273eea2ea061195d1ae |
| tomcat-lib-7.0.76-18.el7_9.noarch.rpm | SHA-256: 0ecfba1c91387986a42a767268a96b5965a67dea3a2979b8c374724e1b3e743e |
| tomcat-servlet-3.0-api-7.0.76-18.el7_9.noarch.rpm | SHA-256: 4758ea202950b1961bb3db0879d6c5bac9f5574a348cb8a3c1b6e1272dc14e27 |
| tomcat-webapps-7.0.76-18.el7_9.noarch.rpm | SHA-256: 85e1d480bda369f7b7de9218bb9f7db7526776159db1d940a183bf671ce657a8 |
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7
| SRPM | |
|---|---|
| tomcat-7.0.76-18.el7_9.src.rpm | SHA-256: b2825d0172075f063ac3c735a3e6915dd3b93d81de6d08660f80d93ca60c12be |
| ppc64 | |
| tomcat-7.0.76-18.el7_9.noarch.rpm | SHA-256: 0de9787e8d0ac63c42c98babc6d8908f1e351cda48f64c603b2f721c9f0169da |
| tomcat-admin-webapps-7.0.76-18.el7_9.noarch.rpm | SHA-256: 17921d7e5506a5e91af11fc022d26138e5a35904d94a82cd8754628ceab07176 |
| tomcat-docs-webapp-7.0.76-18.el7_9.noarch.rpm | SHA-256: 6ec2884604063400d7caf37c00d1415835ac19728d1584a54d362de37256e1d7 |
| tomcat-el-2.2-api-7.0.76-18.el7_9.noarch.rpm | SHA-256: 9f0cdaa9714f59075a161acdf8e1a55f9001bcba27b93d321ef20eec5454df49 |
| tomcat-javadoc-7.0.76-18.el7_9.noarch.rpm | SHA-256: 0f38f11aa72c46c970107c453b0791d1f1b991490bbf4fec245e31567fdf7494 |
| tomcat-jsp-2.2-api-7.0.76-18.el7_9.noarch.rpm | SHA-256: 2e8347fc5116354da2445da506da7ab7646ca4156d62e70be6c2061aaa890403 |
| tomcat-jsvc-7.0.76-18.el7_9.noarch.rpm | SHA-256: 55eb3de983cad8765d21fcf122a42fc11c5ae72ceb329273eea2ea061195d1ae |
| tomcat-lib-7.0.76-18.el7_9.noarch.rpm | SHA-256: 0ecfba1c91387986a42a767268a96b5965a67dea3a2979b8c374724e1b3e743e |
| tomcat-servlet-3.0-api-7.0.76-18.el7_9.noarch.rpm | SHA-256: 4758ea202950b1961bb3db0879d6c5bac9f5574a348cb8a3c1b6e1272dc14e27 |
| tomcat-webapps-7.0.76-18.el7_9.noarch.rpm | SHA-256: 85e1d480bda369f7b7de9218bb9f7db7526776159db1d940a183bf671ce657a8 |
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7
| SRPM | |
|---|---|
| tomcat-7.0.76-18.el7_9.src.rpm | SHA-256: b2825d0172075f063ac3c735a3e6915dd3b93d81de6d08660f80d93ca60c12be |
| ppc64le | |
| tomcat-7.0.76-18.el7_9.noarch.rpm | SHA-256: 0de9787e8d0ac63c42c98babc6d8908f1e351cda48f64c603b2f721c9f0169da |
| tomcat-admin-webapps-7.0.76-18.el7_9.noarch.rpm | SHA-256: 17921d7e5506a5e91af11fc022d26138e5a35904d94a82cd8754628ceab07176 |
| tomcat-docs-webapp-7.0.76-18.el7_9.noarch.rpm | SHA-256: 6ec2884604063400d7caf37c00d1415835ac19728d1584a54d362de37256e1d7 |
| tomcat-el-2.2-api-7.0.76-18.el7_9.noarch.rpm | SHA-256: 9f0cdaa9714f59075a161acdf8e1a55f9001bcba27b93d321ef20eec5454df49 |
| tomcat-javadoc-7.0.76-18.el7_9.noarch.rpm | SHA-256: 0f38f11aa72c46c970107c453b0791d1f1b991490bbf4fec245e31567fdf7494 |
| tomcat-jsp-2.2-api-7.0.76-18.el7_9.noarch.rpm | SHA-256: 2e8347fc5116354da2445da506da7ab7646ca4156d62e70be6c2061aaa890403 |
| tomcat-jsvc-7.0.76-18.el7_9.noarch.rpm | SHA-256: 55eb3de983cad8765d21fcf122a42fc11c5ae72ceb329273eea2ea061195d1ae |
| tomcat-lib-7.0.76-18.el7_9.noarch.rpm | SHA-256: 0ecfba1c91387986a42a767268a96b5965a67dea3a2979b8c374724e1b3e743e |
| tomcat-servlet-3.0-api-7.0.76-18.el7_9.noarch.rpm | SHA-256: 4758ea202950b1961bb3db0879d6c5bac9f5574a348cb8a3c1b6e1272dc14e27 |
| tomcat-webapps-7.0.76-18.el7_9.noarch.rpm | SHA-256: 85e1d480bda369f7b7de9218bb9f7db7526776159db1d940a183bf671ce657a8 |
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
