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ALSA-2025:11332 — Important: tomcat9 security update

2026-10-02T22:06:50.699852+00:00

Affected: AlmaLinux:10: tomcat9, AlmaLinux:10: tomcat9-admin-webapps, AlmaLinux:10: tomcat9-docs-webapp, AlmaLinux:10: tomcat9-el-3.0-api, AlmaLinux:10: tomcat9-jsp-2.3-api, AlmaLinux:10: tomcat9-lib, AlmaLinux:10: tomcat9-servlet-4.0-api, AlmaLinux:10: tomcat9-webapps

Tomcat is the servlet container that is used in the official Reference Implementation for the Java Servlet and JavaServer Pages technologies. The Java Servlet and JavaServer Pages specifications are developed by Sun under the Java Community Process. Tomcat is developed in an open and participatory environment and released under the Apache Software License version 2.0. Tomcat is intended to be a collaboration of the best-of-breed developers from around the world.

Security Fix(es):

* tomcat: Incomplete fix for CVE-2024-50379 - RCE due to TOCTOU issue in JSP compilation (CVE-2024-56337) * tomcat: Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame (CVE-2025-31650)

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.

bdu:2024-11586

2026-10-02T22:06:50.699931+00:00

bdu:2024-11586

BIT-tomcat-2024-56337 — Apache Tomcat: RCE due to TOCTOU issue in JSP compilation - CVE-2024-50379 mitigation was incomplete

2026-10-02T22:06:50.699948+00:00

Affected: Bitnami: tomcat

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0 through 11.0.1, from 10.1.0 through 10.1.33, from 9.0.0 through 9.0.97. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected.

The mitigation for CVE-2024-50379 was incomplete.

Users running Tomcat on a case insensitive file system with the default servlet write enabled (readonly initialisation parameter set to the non-default value of false) may need additional configuration to fully mitigate CVE-2024-50379 depending on which version of Java they are using with Tomcat: - running on Java 8 or Java 11: the system property sun.io.useCanonCaches must be explicitly set to false (it defaults to true) - running on Java 17: the system property sun.io.useCanonCaches, if set, must be set to false (it defaults to false) - running on Java 21 onwards: no further configuration is required (the system property and the problematic cache have been removed)

Tomcat 11.0.3, 10.1.35 and 9.0.99 onwards will include checks that sun.io.useCanonCaches is set appropriately before allowing the default servlet to be write enabled on a case insensitive file system. Tomcat will also set sun.io.useCanonCaches to false by default where it can.

certfr-2024-avi-1091 — De multiples vulnérabilités ont été découvertes dans Apache Tomcat. Elles permettent à un attaquant de provoquer une ex…

2026-10-02T22:06:50.699980+00:00

certfr-2024-avi-1091

EUVD-2026-258761

2026-10-02T22:06:50.699996+00:00

EUVD-2026-258761

fkie_cve-2024-56337

2026-10-02T22:06:50.700007+00:00

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 through 9.0.97. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected.

The mitigation for CVE-2024-50379 was incomplete.

GHSA-27hp-xhwr-wr2m — Apache Tomcat Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability

2026-10-02T22:06:50.700040+00:00

Affected: Maven: org.apache.tomcat:tomcat-catalina, Maven: org.apache.tomcat:tomcat-embed-core, Maven: org.apache.tomcat.embed:tomcat-embed-core

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 through 9.0.97.

The mitigation for CVE-2024-50379 was incomplete.

OESA-2025-1226 — tomcat security update

2026-10-02T22:06:50.700075+00:00

Affected: openEuler:22.03-LTS-SP4: tomcat, openEuler:24.03-LTS: tomcat, openEuler:24.03-LTS-SP1: tomcat, openEuler:20.03-LTS-SP4: tomcat, openEuler:22.03-LTS-SP3: tomcat

The Apache Tomcat software is developed in an open and participatory environment and released under the Apache License version 2. The Apache Tomcat project is intended to be a collaboration of the best-of-breed developers from around the world. We invite you to participate in this open development project Security Fix(es):

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 through 9.0.97.

The mitigation for CVE-2024-50379 was incomplete.

openSUSE-SU-2025:14896-1 — tomcat-9.0.99-1.1 on GA media

2026-10-02T22:06:50.700117+00:00

tomcat-9.0.99-1.1 on GA media

RHSA-2025:11332 — Red Hat Security Advisory: tomcat9 security update

2026-10-02T22:06:50.700136+00:00

tomcat: RCE due to TOCTOU issue in JSP compilation tomcat: Incomplete fix for CVE-2024-50379 - RCE due to TOCTOU issue in JSP compilation tomcat: Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame

SA26P011 — Security Issues addressed in APROL R 4.4-01P5

2026-10-02T22:06:50.700155+00:00

An update is available that resolves several vulnerabilities and updates one or more 3rd party components in the product versions listed as affected in the advisory.

An attacker who successfully exploited these vulnerabilities could impact the availability of the product, spoof identities or elevate privileges.

SUSE-SU-2025:0033-1 — Security update for tomcat10

2026-10-02T22:06:50.700174+00:00

Security update for tomcat10

UBUNTU-CVE-2024-56337

2026-10-02T22:06:50.700189+00:00

Affected: Ubuntu:Pro:16.04:LTS: tomcat8, Ubuntu:Pro:18.04:LTS: tomcat8, Ubuntu:Pro:18.04:LTS: tomcat9, Ubuntu:Pro:20.04:LTS: tomcat9, Ubuntu:Pro:22.04:LTS: tomcat9, Ubuntu:24.04:LTS: tomcat10

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 through 9.0.97. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected. The mitigation for CVE-2024-50379 was incomplete. Users running Tomcat on a case insensitive file system with the default servlet write enabled (readonly initialisation parameter set to the non-default value of false) may need additional configuration to fully mitigate CVE-2024-50379 depending on which version of Java they are using with Tomcat: - running on Java 8 or Java 11: the system property sun.io.useCanonCaches must be explicitly set to false (it defaults to true) - running on Java 17: the system property sun.io.useCanonCaches, if set, must be set to false (it defaults to false) - running on Java 21 onwards: no further configuration is required (the system property and the problematic cache have been removed) Tomcat 11.0.3, 10.1.35 and 9.0.99 onwards will include checks that sun.io.useCanonCaches is set appropriately before allowing the default servlet to be write enabled on a case insensitive file system. Tomcat will also set sun.io.useCanonCaches to false by default where it can.

WID-SEC-W-2024-3744 — Apache Tomcat: Schwachstelle ermöglicht Codeausführung

2026-10-02T22:06:50.700222+00:00

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Apache Tomcat ausnutzen, um beliebigen Programmcode auszuführen.