# ALAS2023-2026-1945: Security update for 8 packages

ALAS2023-2026-1945, released July 20, 2026, fixes 8 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/alas2023-2026-1945
- Platform: Linux
- Released: Jul 20, 2026
- Priority: Urgent (Closes CVE-2026-59084, rated Critical)
- CVEs: 8, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2026-1945.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [tomcat9](https://patchblox.com/security/data/product/linux/tomcat9.md) | amzn 2023 | 1:9.0.120-1.amzn2023.0.1 |
| [tomcat9-admin-webapps](https://patchblox.com/security/data/product/linux/tomcat9-admin-webapps.md) | amzn 2023 | 1:9.0.120-1.amzn2023.0.1 |
| [tomcat9-docs-webapp](https://patchblox.com/security/data/product/linux/tomcat9-docs-webapp.md) | amzn 2023 | 1:9.0.120-1.amzn2023.0.1 |
| [tomcat9-el-3.0-api](https://patchblox.com/security/data/product/linux/tomcat9-el-3.0-api.md) | amzn 2023 | 1:9.0.120-1.amzn2023.0.1 |
| [tomcat9-jsp-2.3-api](https://patchblox.com/security/data/product/linux/tomcat9-jsp-2.3-api.md) | amzn 2023 | 1:9.0.120-1.amzn2023.0.1 |
| [tomcat9-lib](https://patchblox.com/security/data/product/linux/tomcat9-lib.md) | amzn 2023 | 1:9.0.120-1.amzn2023.0.1 |
| [tomcat9-servlet-4.0-api](https://patchblox.com/security/data/product/linux/tomcat9-servlet-4.0-api.md) | amzn 2023 | 1:9.0.120-1.amzn2023.0.1 |
| [tomcat9-webapps](https://patchblox.com/security/data/product/linux/tomcat9-webapps.md) | amzn 2023 | 1:9.0.120-1.amzn2023.0.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-59084](https://patchblox.com/security/data/cve/CVE-2026-59084.md) | Urgent | tomcat11: Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the... | 9.1 | 0.0051 |  |
| [CVE-2026-53404](https://patchblox.com/security/data/cve/CVE-2026-53404.md) | High | jws6-tomcat: Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first c... | 7.3 | 0.0070 |  |
| [CVE-2026-55276](https://patchblox.com/security/data/cve/CVE-2026-55276.md) | High | jws7-tomcat: Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty author... | 9.1 | 0.0061 |  |
| [CVE-2026-53434](https://patchblox.com/security/data/cve/CVE-2026-53434.md) | High | jws7-tomcat: Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based conn... | 9.1 | 0.0059 |  |
| [CVE-2026-59083](https://patchblox.com/security/data/cve/CVE-2026-59083.md) | High | jws7-tomcat: Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security cons... | 9.1 | 0.0052 |  |
| [CVE-2026-50229](https://patchblox.com/security/data/cve/CVE-2026-50229.md) | Routine | tomcat11: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess examp... | 6.1 | 0.0409 |  |
| [CVE-2026-55956](https://patchblox.com/security/data/cve/CVE-2026-55956.md) | Routine | jws6-tomcat: Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet... | 6.5 | 0.0070 |  |
| [CVE-2026-55955](https://patchblox.com/security/data/cve/CVE-2026-55955.md) | Routine | tomcat11: Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in t... | 6.5 | 0.0044 |  |

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Data as of 2026-11-10T07:50:38Z 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

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