# RHSA-2026:36879: Security update for 8 packages

RHSA-2026:36879, released July 9, 2026, fixes 2 CVEs across 8 products. One of them is being exploited (CVE-2026-34486); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-36879
- Platform: Linux
- Released: Jul 9, 2026
- Priority: Patch now (Closes CVE-2026-34486, exploited (CISA KEV))
- CVEs: 2, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:36879

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [tomcat](https://patchblox.com/security/data/product/linux/tomcat.md) | RHEL 9 | 1:9.0.117-2.el9_8 |
| [tomcat-admin-webapps](https://patchblox.com/security/data/product/linux/tomcat-admin-webapps.md) | RHEL 9 | 1:9.0.117-2.el9_8 |
| [tomcat-docs-webapp](https://patchblox.com/security/data/product/linux/tomcat-docs-webapp.md) | RHEL 9 | 1:9.0.117-2.el9_8 |
| [tomcat-el-3.0-api](https://patchblox.com/security/data/product/linux/tomcat-el-3.0-api.md) | RHEL 9 | 1:9.0.117-2.el9_8 |
| [tomcat-jsp-2.3-api](https://patchblox.com/security/data/product/linux/tomcat-jsp-2.3-api.md) | RHEL 9 | 1:9.0.117-2.el9_8 |
| [tomcat-lib](https://patchblox.com/security/data/product/linux/tomcat-lib.md) | RHEL 9 | 1:9.0.117-2.el9_8 |
| [tomcat-servlet-4.0-api](https://patchblox.com/security/data/product/linux/tomcat-servlet-4.0-api.md) | RHEL 9 | 1:9.0.117-2.el9_8 |
| [tomcat-webapps](https://patchblox.com/security/data/product/linux/tomcat-webapps.md) | RHEL 9 | 1:9.0.117-2.el9_8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-34486](https://patchblox.com/security/data/cve/CVE-2026-34486.md) | Patch now | tomcat: Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the by... | 7.5 | 0.9850 | CISA KEV |
| [CVE-2026-29146](https://patchblox.com/security/data/cve/CVE-2026-29146.md) | High | tomcat: This update for tomcat fixes the following issues:  Security fixes:  - CVE-2026-24880: Request smuggling via invalid... | 7.5 | 0.0885 |  |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo