EUVD-2026-53086

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...

CVE-2026-67552 Apache Qpid Proton Dotnet: 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 Proton-Dotnet through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue...

CVE-2026-67552

Apache Qpid Proton-Dotnet (up to version 1.0.0) is affected by CVE-2026-67552 due to unbounded type nesting that can cause a pre-authentication StackOverflowError, potentially leading to denial of service. The vulnerability arises from excessive nesting in type handling and does not require user ...

CVE-2026-66274 Apache Qpid Proton-J: 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 Proton-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue...

CVE-2026-66274

CVE-2026-66274 affects Apache Qpid Proton-J (up to 0.34.1). A pre-authentication attacker can exploit unbounded type nesting to trigger a StackOverflowError, leading to denial of service. Impact is limited to availability; no confidentiality or integrity impact stated. Upgrade to version 0.35.0, ...

EUVD-2018-0790

Malware in sbrugna...

EUVD-2016-5454

Malware in sbrugna...

EUVD-2018-0588

Malware in sbrugna...

EUVD-2022-2590

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2016-2166

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The 1 proton.reactor.Connector, 2 proton.reactor.Container, and 3 proton.utils.BlockingConnection classes in Apache Qpid Proton before 0.12.1 improperly use an...

SUSE CVE-2016-2166

The 1 proton.reactor.Connector, 2 proton.reactor.Container, and 3 proton.utils.BlockingConnection classes in Apache Qpid Proton before 0.12.1 improperly use an unencrypted connection for an amqps URI scheme when SSL support is unavailable, which might allow man-in-the-middle attackers to obtain...

Withdrawn Advisory: Improper Certificate Validation in Apache Qpid Proton

Withdrawn Advisory This advisory has been withdrawn because the vulnerability only affects the Qpid Proton C library and not org.apache.qpid:proton-j. This link has been maintained to preserve external references. Original Description While investigating bug PROTON-2014, we discovered that under...

Improper TLS Certificate Validation

Apache Qpid Proton is vulnerable to man-in-the-middle MitM attacks. A remote attacker is able to intercept TLS traffic as the application provides anonymous ciphers to authenticate a client regardless of the client's configuration to verify the server's certificate or hostname. The vulnerability ...

CVE-2019-0223

While investigating bug PROTON-2014, we discovered that under some circumstances Apache Qpid Proton versions 0.9 to 0.27.0 C library and its language bindings can connect to a peer anonymously using TLS even when configured to verify the peer certificate while used with OpenSSL versions before...

Code injection

While investigating bug PROTON-2014, we discovered that under some circumstances Apache Qpid Proton versions 0.9 to 0.27.0 C library and its language bindings can connect to a peer anonymously using TLS even when configured to verify the peer certificate while used with OpenSSL versions before...

CVE-2019-0223

While investigating bug PROTON-2014, we discovered that under some circumstances Apache Qpid Proton versions 0.9 to 0.27.0 C library and its language bindings can connect to a peer anonymously using TLS even when configured to verify the peer certificate while used with OpenSSL versions before...

CVE-2019-0223

While investigating bug PROTON-2014, we discovered that under some circumstances Apache Qpid Proton versions 0.9 to 0.27.0 C library and its language bindings can connect to a peer anonymously using TLS even when configured to verify the peer certificate while used with OpenSSL versions before...

CVE-2019-0223

While investigating bug PROTON-2014, we discovered that under some circumstances Apache Qpid Proton versions 0.9 to 0.27.0 C library and its language bindings can connect to a peer anonymously using TLS even when configured to verify the peer certificate while used with OpenSSL versions before...

CVE-2019-0223

CVE-2019-0223 concerns Apache Qpid Proton (C library and bindings) versions 0.9–0.27.0. Under TLS with OpenSSL versions before 1.1.0, a peer could be connected anonymously even when peer cert verification is configured, enabling a potential undetected man-in-the-middle attack if TLS traffic is in...

CVE-2019-0223

While investigating bug PROTON-2014, we discovered that under some circumstances Apache Qpid Proton versions 0.9 to 0.27.0 C library and its language bindings can connect to a peer anonymously using TLS even when configured to verify the peer certificate while used with OpenSSL versions before...