CVE-2026-67590

A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue...

CVE-2026-67592

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 ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2....

CVE-2026-67591

An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue...

CVE-2026-67588

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue...

CVE-2026-67589

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 ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue...

CVE-2026-67592

CVE-2026-67592 affects Apache Qpid ProtonJ2 up to version 1.1.0, where the software cannot govern the maximum number of transfer frames per incoming delivery. This can allow an authenticated attacker to cause excessive resource usage and potential denial of service. The issue is mitigated by upgr...

CVE-2026-67592 Apache Qpid ProtonJ2: Unable to govern the maximum number of transfer frames per incoming delivery

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 ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2....

EUVD-2026-53096

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 ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2....

CVE-2026-67591

Apache Qpid ProtonJ2 prior to 1.2.0 is affected by CVE-2026-67591 where an authenticated attacker could exceed the incoming session flow-control window, potentially causing a denial of service. The issue is reported for ProtonJ2 versions up to 1.1.0, with upgrade to version 1.2.0 recommended as t...

EUVD-2026-53089

An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue...

CVE-2026-67591 Apache Qpid ProtonJ2: Incoming session flow control window can be exceeded

An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue...

CVE-2026-67590

CVE-2026-67590 affects Apache Qpid ProtonJ2 up to version 1.1.0. The issue is caused by unbounded type nesting, allowing a pre-authentication attacker to trigger a StackOverflowError and potentially cause a denial of service. A fixed version is available: upgrade to ProtonJ2 1.2.0. If upgrading i...

CVE-2026-67590 Apache Qpid ProtonJ2: Unbounded type nesting can lead to pre-authentication stackoverflow

A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue...

EUVD-2026-53085

A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue...

EUVD-2026-53035

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 ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue...

CVE-2026-67589

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 ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue...

CVE-2026-67589 Apache Qpid ProtonJ2: 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 ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue...

CVE-2026-67589

CVE-2026-67589 – Apache Qpid ProtonJ2 has a pre-authentication issue where improper type size/count handling leads to excessive allocation, potentially causing denial of service. Affected: ProtonJ2 up to version 1.1.0 . Root cause: handling of type size/count allows resource-heavy allocations bef...

EUVD-2026-53054

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue...

CVE-2026-67588 Apache Qpid ProtonJ2: 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 ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue...