CVE-2026-66273 Apache Qpid Proton-J: Type size/count handling can lead to excessive allocation pre-authentication

A pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential 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...

CVE-2026-67465 Apache Qpid Proton Dotnet: Unbounded symbol value caching can lead to pre-authentication resource exhaustion

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid Proton-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue...

CVE-2026-67465 Apache Qpid Proton Dotnet: Unbounded symbol value caching can lead to pre-authentication resource exhaustion

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid Proton-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue...

CVE-2026-67465

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid Proton-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue...

CVE-2026-66257

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion 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...

CVE-2026-66257 Apache Qpid Proton-J: Unbounded symbol value caching can lead to pre-authentication resource exhaustion

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion 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...

CVE-2026-66257

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion 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...

CVE-2026-66257

A pre-authentication attacker can exploit unbounded symbol value caching in Apache Qpid Proton-J (versions through 0.34.1 ) to cause resource exhaustion, leading to a denial of service (DoS) . This vulnerability is categorized under CWE-770 . Impacted systems may become unavailable to legitimate ...

CVE-2026-67555: Allocation of Resources Without Limits or Throttling

It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential denial of service This issue affects Apache Qpid Proton-Dotnet: through 1.0.0. Users are recommended to upgrade to version...

PT-2026-68001

Name of the Vulnerable Software and Affected Versions Apache Qpid Proton-Dotnet versions prior to 1.1.0 Description An authenticated attacker can cause excessive resource usage and a potential denial of service because the system cannot govern the maximum number of transfer frames per incoming...

CVE-2026-66257: Allocation of Resources Without Limits or Throttling

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion 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...

PT-2026-67994

Name of the Vulnerable Software and Affected Versions Apache Qpid Proton-J versions prior to 0.35.0 Description A pre-authentication attacker can use unbounded type nesting to trigger a StackOverflowError, which may result in a denial of service. A StackOverflowError occurs when the application's...

CVE-2026-67465: Allocation of Resources Without Limits or Throttling

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid Proton-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue...

CVE-2026-66273: Memory Allocation with Excessive Size Value

A pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential 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...

CVE-2026-66276: Unchecked Input for Loop Condition

An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range handling, 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...

CVE-2026-66274: Uncontrolled Recursion

A pre-authentication attacker could leverage type nesting to cause a StackOverflowError 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...

PT-2026-67999

Name of the Vulnerable Software and Affected Versions Apache Qpid Proton-Dotnet versions prior to 1.1.0 Description An authenticated attacker could exceed the session flow control incoming window, which may result in a denial of service. This occurs when the system fails to properly manage the fl...

CVE-2026-67551: Memory Allocation with Excessive Size Value

pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service. This issue affects Apache Qpid Proton-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue...

PT-2026-67956

Name of the Vulnerable Software and Affected Versions Apache Qpid Proton-Dotnet versions prior to 1.1.0 Description A pre-authentication attacker can exploit the way type size and count are handled to trigger excessive memory allocation, which may result in a denial of service. Recommendations...

PT-2026-67996

Name of the Vulnerable Software and Affected Versions Apache Qpid Proton-J versions prior to 0.35.0 Description An authenticated attacker can cause a denial of service by crafting a disposition frame with large or illegal ranges. This occurs because of naive range handling, which results in...