Amazon Linux 2 : tomcat-native (ALAS-2026-4016)

The version of tomcat-native installed on the remote host is prior to 1.2.38-2. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-4016 advisory. Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirements to...

K000163720: Apache Tomcat vulnerabilities CVE-2026-86243, CVE-2026-86246, and CVE-2026-86247

Security Advisory Description CVE-2026-86243 Buffer over-read vulnerability in Apache Tomcat Native during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Earlier, unsupporte...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: tomcat (UTSA-2026-130104)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-130104 advisory. CLIENTCERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native. This issue...

Important: tomcat-native

Issue Overview: Buffer over-read vulnerability in Apache Tomcat Native during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Earlier, unsupported versions may also be...

Amazon Linux 2023 : tomcat-native (ALAS2023-2026-3167)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-3167 advisory. Buffer over-read vulnerability in Apache Tomcat Native during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash. This issue affects Apache Tomcat Native: from 2.0.0...

CVE-2026-86246

A flaw was found in Apache Tomcat Native, which enabled several insecure OpenSSL options by default: ALLOWCLIENTRENEGOTIATION, NOEXTENDEDMASTERSECRET, IGNOREUNEXPECTEDEOF, and ALLOWNODHEKEX. These defaults can weaken TLS protections. Apache Tomcat Native versions 1.3.0 through 1.3.8 and 2.0.0...

CVE-2026-86243

A flaw was found in Apache Tomcat Native. A remote attacker can exploit a buffer over-read vulnerability during the Transport Layer Security TLS handshake. Successful exploitation causes the Java Virtual Machine JVM to crash, resulting in a denial of service DoS. Mitigation Upgrade Apache Tomcat...

Rocky Linux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.6:CLSA-2026:1774442729)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1774442729 advisory. - Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat. When using an OCSP responder, Tomcat Native and Tomcat's...

AlmaLinux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.6:CLSA-2026:1774442729)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1774442729 advisory. - Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat. When using an OCSP responder, Tomcat Native and Tomcat's FF...

CVE-2026-86247

A flaw was found in Apache Tomcat Native. A race condition within a thread allows client certificate verification requirements to be down-graded for certain configurations. This could enable an attacker to bypass stricter authentication requirements, potentially leading to unauthorized access or...

SUSE CVE-2026-86243

Buffer over-read vulnerability in Apache Tomcat Native during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Earlier, unsupported versions may also be affected. Users are...

SUSE CVE-2026-86246

Initialization of a resource with an insecure default vulnerability in Apache Tomcat Native enabled insecure options by default including ALLOWCLIENTRENEGOTIATION, NOEXTENDEDMASTERSECRET, IGNOREUNEXPECTEDEOF and ALLOWNODHEKEX. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, fr...

SUSE CVE-2026-86247

Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirements to be down-graded for some configurations. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Unsupported versions may also be...

Linux Distros Unpatched Vulnerability : CVE-2026-86247

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirements to be down-graded for some...

Linux Distros Unpatched Vulnerability : CVE-2026-86246

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Initialization of a resource with an insecure default vulnerability in Apache Tomcat Native enabled insecure options by default including...

Linux Distros Unpatched Vulnerability : CVE-2026-86243

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Buffer over-read vulnerability in Apache Tomcat Native during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash. This issue affects...

DEBIAN-CVE-2026-86247

Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirements to be down-graded for some configurations. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Unsupported versions may also be...

DEBIAN-CVE-2026-86246

Initialization of a resource with an insecure default vulnerability in Apache Tomcat Native enabled insecure options by default including ALLOWCLIENTRENEGOTIATION, NOEXTENDEDMASTERSECRET, IGNOREUNEXPECTEDEOF and ALLOWNODHEKEX. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, fr...

CVE-2026-86246

Initialization of a resource with an insecure default vulnerability in Apache Tomcat Native enabled insecure options by default including ALLOWCLIENTRENEGOTIATION, NOEXTENDEDMASTERSECRET, IGNOREUNEXPECTEDEOF and ALLOWNODHEKEX. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, fr...

CVE-2026-86247

Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirements to be down-graded for some configurations. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Unsupported versions may also be...