# ALAS2023-2026-3151: Security update for 8 packages ALAS2023-2026-3151, released November 7, 2026, fixes 22 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/fix/linux/alas2023-2026-3151 - Platform: Linux - Released: Nov 7, 2026 - Priority: Urgent (Closes CVE-2026-65905, rated Critical) - CVEs: 22, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2026-3151.html ## Applies to | Product | Release | Fixed in | |---|---|---| | [tomcat11](https://patchblox.com/security/data/product/linux/tomcat11.md) | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 | | [tomcat11-admin-webapps](https://patchblox.com/security/data/product/linux/tomcat11-admin-webapps.md) | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 | | [tomcat11-docs-webapp](https://patchblox.com/security/data/product/linux/tomcat11-docs-webapp.md) | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 | | [tomcat11-el-6.0-api](https://patchblox.com/security/data/product/linux/tomcat11-el-6.0-api.md) | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 | | [tomcat11-jsp-4.0-api](https://patchblox.com/security/data/product/linux/tomcat11-jsp-4.0-api.md) | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 | | [tomcat11-lib](https://patchblox.com/security/data/product/linux/tomcat11-lib.md) | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 | | [tomcat11-servlet-6.1-api](https://patchblox.com/security/data/product/linux/tomcat11-servlet-6.1-api.md) | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 | | [tomcat11-webapps](https://patchblox.com/security/data/product/linux/tomcat11-webapps.md) | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2026-65905](https://patchblox.com/security/data/cve/CVE-2026-65905.md) | Urgent | tomcat9: Authentication Bypass by Capture-replay vulnerability in Apache Tomcat's DIGEST authenticator | 9.8 | 0.0076 | | | [CVE-2026-65637](https://patchblox.com/security/data/cve/CVE-2026-65637.md) | Urgent | tomcat9: Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990 | 9.8 | 0.0075 | | | [CVE-2026-65182](https://patchblox.com/security/data/cve/CVE-2026-65182.md) | Urgent | tomcat9: Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass i... | 9.1 | 0.0065 | | | [CVE-2026-76183](https://patchblox.com/security/data/cve/CVE-2026-76183.md) | Urgent | tomcat9: Authentication Bypass by Alternate Name vulnerability in Apache Tomcat allowed the security constraints for any WebSo... | 9.8 | 0.0057 | | | [CVE-2026-86248](https://patchblox.com/security/data/cve/CVE-2026-86248.md) | Urgent | tomcat9: CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in A... | 9.8 | 0.0050 | | | [CVE-2026-86350](https://patchblox.com/security/data/cve/CVE-2026-86350.md) | Urgent | tomcat9: Inconsistent interpretation of HTTP/2 requests ('HTTP Request/Response smuggling') vulnerability in Apache Tomcat cau... | 9.1 | 0.0048 | | | [CVE-2026-68763](https://patchblox.com/security/data/cve/CVE-2026-68763.md) | High | tomcat9: Uncontrolled Resource Consumption vulnerability in Apache Tomcat via an allocation leak in the HTTP/2 backlog trackin... | 8.2 | 0.0075 | | | [CVE-2026-65927](https://patchblox.com/security/data/cve/CVE-2026-65927.md) | High | tomcat9: Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processin... | 8.2 | 0.0068 | | | [CVE-2026-77791](https://patchblox.com/security/data/cve/CVE-2026-77791.md) | High | tomcat9: Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a... | 7.5 | 0.0068 | | | [CVE-2026-68525](https://patchblox.com/security/data/cve/CVE-2026-68525.md) | High | tomcat: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es):... | 9.1 | 0.0064 | | | [CVE-2026-87022](https://patchblox.com/security/data/cve/CVE-2026-87022.md) | High | tomcat9: Improper handling of length parameter inconsistency vulnerability in Apache Tomcat allows WebSocket message smuggling... | 7.5 | 0.0054 | | | [CVE-2026-75973](https://patchblox.com/security/data/cve/CVE-2026-75973.md) | High | tomcat9: Improper Authentication vulnerability in Apache Tomcat | 7.3 | 0.0052 | | | [CVE-2026-78437](https://patchblox.com/security/data/cve/CVE-2026-78437.md) | High | tomcat9: Incomplete cleanup vulnerability in Apache Tomcat allows a malformed request to potentially (depends on timing) cause... | 7.3 | 0.0051 | | | [CVE-2026-78383](https://patchblox.com/security/data/cve/CVE-2026-78383.md) | High | tomcat9: Allocation of resources without limits or throttling vulnerability in Apache Tomcat allows an unauthenticated AJP req... | 7.5 | 0.0050 | | | [CVE-2026-77762](https://patchblox.com/security/data/cve/CVE-2026-77762.md) | High | tomcat9: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache T... | 8.1 | 0.0046 | | | [CVE-2026-68569](https://patchblox.com/security/data/cve/CVE-2026-68569.md) | High | tomcat9: Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g | 8.2 | 0.0046 | | | [CVE-2026-66422](https://patchblox.com/security/data/cve/CVE-2026-66422.md) | High | tomcat9: Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly used a... | 8.1 | 0.0043 | | | [CVE-2026-79677](https://patchblox.com/security/data/cve/CVE-2026-79677.md) | High | tomcat9: Missing release of resource after effective lifetime, Comparison using wrong factors vulnerability in Apache Tomcat a... | 7.5 | 0.0042 | | | [CVE-2026-65183](https://patchblox.com/security/data/cve/CVE-2026-65183.md) | High | tomcat9: Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat when creating unix domain sockets al... | 8.1 | 0.0040 | | | [CVE-2026-77756](https://patchblox.com/security/data/cve/CVE-2026-77756.md) | Routine | tomcat9: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat cause... | 3.7 | 0.0053 | | | [CVE-2026-73180](https://patchblox.com/security/data/cve/CVE-2026-73180.md) | Routine | tomcat9: Insufficient Session Expiration vulnerability in Apache Tomcat meant that if the session ID for an authenticated HTTP... | 6.8 | 0.0044 | | | [CVE-2026-73581](https://patchblox.com/security/data/cve/CVE-2026-73581.md) | Routine | tomcat10: Improper Check for Certificate Revocation vulnerability in Apache Tomcat | 6.5 | 0.0016 | | --- Data as of 2026-11-09T19:38:12Z UTC. 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