org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service due to excessive allocation

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit a vulnerability in how the software handles type sizes and counts. This could lead to excessive memory allocation, causing the system to become unresponsive and resulting in a denial of...

qpid-proton-j: Apache Qpid Proton-J: Denial of Service via unbounded symbol value caching

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit an issue with unbounded symbol value caching. This could lead to resource exhaustion, where the system runs out of available resources, ultimately causing a denial of service DoS. A denial ...

org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service via unbounded type nesting

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit a vulnerability related to unbounded type nesting. This could lead to a StackOverflowError, causing the affected system to become unresponsive and resulting in a denial of service...

Important: Red Hat Security Advisory: AMQ Clients 2026.Q3

An update is now available for Red Hat AMQ Clients Red Hat Product Security has rated this update as having an impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the Referenc...

qpid-proton-j: Apache Qpid Proton-J: Denial of Service via unbounded symbol value caching

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit an issue with unbounded symbol value caching. This could lead to resource exhaustion, where the system runs out of available resources, ultimately causing a denial of service DoS. A denial ...

org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service via unbounded type nesting

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit a vulnerability related to unbounded type nesting. This could lead to a StackOverflowError, causing the affected system to become unresponsive and resulting in a denial of service...

org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service due to excessive allocation

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit a vulnerability in how the software handles type sizes and counts. This could lead to excessive memory allocation, causing the system to become unresponsive and resulting in a denial of...

org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service due to excessive allocation

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit a vulnerability in how the software handles type sizes and counts. This could lead to excessive memory allocation, causing the system to become unresponsive and resulting in a denial of...

qpid-proton-j: Apache Qpid Proton-J: Denial of Service via unbounded symbol value caching

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit an issue with unbounded symbol value caching. This could lead to resource exhaustion, where the system runs out of available resources, ultimately causing a denial of service DoS. A denial ...

qpid-proton-j: Apache Qpid Proton-J: Denial of Service via unbounded symbol value caching

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit an issue with unbounded symbol value caching. This could lead to resource exhaustion, where the system runs out of available resources, ultimately causing a denial of service DoS. A denial ...

org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service due to excessive allocation

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit a vulnerability in how the software handles type sizes and counts. This could lead to excessive memory allocation, causing the system to become unresponsive and resulting in a denial of...

org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service via unbounded type nesting

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit a vulnerability related to unbounded type nesting. This could lead to a StackOverflowError, causing the affected system to become unresponsive and resulting in a denial of service...

qpid-proton-j: Apache Qpid Proton-J: Denial of Service via unbounded symbol value caching

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit an issue with unbounded symbol value caching. This could lead to resource exhaustion, where the system runs out of available resources, ultimately causing a denial of service DoS. A denial ...

org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service due to excessive allocation

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit a vulnerability in how the software handles type sizes and counts. This could lead to excessive memory allocation, causing the system to become unresponsive and resulting in a denial of...

CVE-2026-66276

A flaw was found in Apache Qpid Proton-J. An authenticated attacker can exploit this vulnerability by crafting a specially designed disposition frame with large or illegal ranges. This can cause excessive CPU usage due to naive range handling, leading to a denial of service DoS for the affected...

CVE-2026-66275

A flaw was found in Apache Qpid Proton-J. An authenticated attacker could exploit this by exceeding the session flow control incoming window. This action could lead to a denial of service DoS, making the system unavailable to legitimate users. Mitigation Ensure authenticated access to AMQP...

CVE-2026-66273

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit a vulnerability in how the software handles type sizes and counts. This could lead to excessive memory allocation, causing the system to become unresponsive and resulting in a denial of...

CVE-2026-66257

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit an issue with unbounded symbol value caching. This could lead to resource exhaustion, where the system runs out of available resources, ultimately causing a denial of service DoS. A denial ...

Memory Allocation with Excessive Size Value

Overview org.apache.qpid:proton-j is a lightweight messaging library. Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via improper handling of type size and count during the allocation process. An attacker can trigger excessive memory allocation by...

CVE-2026-66275

An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service. This issue affects Apache Qpid Proton-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue...