UBUNTU-CVE-2026-33592

An unauthenticated remote attacker can exhaust server memory via the FindServers Discovery Service in open62541. The serverUris field of FindServersRequest is not validated for length or array size. An attacker can declare an arbitrarily large string up to 3.9 GB delivered across intermediate...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the FindServers process. An attacker can cause the server to allocate excessive memory by sending a FindServersRequest with an unbounded serverUris field, delivering a very large...

CVE-2026-33592

An unauthenticated remote attacker can exhaust server memory via the FindServers Discovery Service in open62541. The serverUris field of FindServersRequest is not validated for length or array size. An attacker can declare an arbitrarily large string up to 3.9 GB delivered across intermediate...

EUVD-2026-41256

An unauthenticated remote attacker can exhaust server memory via the FindServers Discovery Service in open62541. The serverUris field of FindServersRequest is not validated for length or array size. An attacker can declare an arbitrarily large string up to 3.9 GB delivered across intermediate...

CVE-2026-33592

The CVE-2026-33592 issue affects open62541 (versions 1.4.0–1.4.16, 1.5.0–1.5.4, and master). An unauthenticated remote attacker can exhaust server memory via the FindServers Discovery Service because the FindServersRequest serverUris field is not validated for length/array size. An adversary can ...

CVE-2026-33592

An unauthenticated remote attacker can exhaust server memory via the FindServers Discovery Service in open62541. The serverUris field of FindServersRequest is not validated for length or array size. An attacker can declare an arbitrarily large string up to 3.9 GB delivered across intermediate...

CVE-2026-1301 Out-of-bounds Write in o6 Automation GmbH Open62541

In builds with PubSub and JSON enabled, a crafted JSON message can cause the decoder to write beyond a heap-allocated array before authentication, reliably crashing the process and corrupting memory...

CVE-2026-1301

CVE-2026-1301 pertains to o6 Automation GmbH Open62541 (Open62541/Open62541-like builds) where in PubSub with JSON decoding enabled a crafted JSON message can cause a heap-allocated array write beyond bounds before authentication, leading to a process crash and memory corruption. Affected compone...

CVE-2026-1301 Out-of-bounds Write in o6 Automation GmbH Open62541

In builds with PubSub and JSON enabled, a crafted JSON message can cause the decoder to write beyond a heap-allocated array before authentication, reliably crashing the process and corrupting memory...

o6 Automation Open62541 缓冲区错误漏洞

o6 Automation Open62541 is an industrial automation toolset developed by the German company o6 Automation. o6 Automation Open62541 contains a buffer error vulnerability; this vulnerability arises from specially crafted JSON messages that may cause the decoder to write data beyond the allocated he...

EUVD-2020-23957

Malware in sbrugna...

EUVD-2024-51965

Malicious code in bioql PyPI...

EUVD-2022-30413

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2024-53429

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Open62541 v1.4.6 is has an assertion failure in fuzzbinarydecode, which leads to a crash. CVE-2024-53429 Note that Nessus relies on the presence of the package ...

[SECURITY] Fedora 41 Update: open62541-1.4.13-1.fc41

open62541 is a C-based library linking with C++ projects is possible with all necessary tools to implement dedicated OPC UA clients and servers, or to integrate OPC UA-based communication into existing applications...

[SECURITY] Fedora 42 Update: open62541-1.4.13-1.fc42

open62541 is a C-based library linking with C++ projects is possible with all necessary tools to implement dedicated OPC UA clients and servers, or to integrate OPC UA-based communication into existing applications...

Fedora: Security Advisory (FEDORA-2025-c2afaee8fe)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora 41 : open62541 (2025-2b2997564c)

The remote Fedora 41 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-2b2997564c advisory. Changes in v1.4.13: server: Cover edge-case in the EventFilter validation client: Cover edge-case in the UserTokenPolicy validation arch: Process delayed...

Fedora 42 : open62541 (2025-c2afaee8fe)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-c2afaee8fe advisory. Changes in v1.4.13: server: Cover edge-case in the EventFilter validation client: Cover edge-case in the UserTokenPolicy validation arch: Process delayed...

Fedora: Security Advisory (FEDORA-2025-2b2997564c)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...