PT-2026-66619

Name of the Vulnerable Software and Affected Versions open62541 affected versions not specified Description An integer overflow occurs during the UA Variant arrayDimensions product computation. This flaw allows a remote attacker to perform an out-of-bounds read of heap memory, which may lead to t...

PT-2026-66618

Name of the Vulnerable Software and Affected Versions open62541 affected versions not specified Description An unsigned integer underflow occurs in the PubSub signature verification path. This flaw allows a remote attacker to trigger a denial of service by sending a specially crafted UDP packet...

PT-2026-66621

Name of the Vulnerable Software and Affected Versions open62541 affected versions not specified Description An integer overflow occurs during the arrayDimensions product computation within the UA Variant structure. This flaw allows a remote attacker to trigger an out-of-bounds write, which involv...

Linux Distros Unpatched Vulnerability : CVE-2026-15690

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference in the responseReadNamespacesArray function of the Shared Client Library when handling the ServerNamespaceArray argument. An attacker can cause a denial of service by sending specially crafted data that triggers...

CVE-2026-15690

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

DEBIAN-CVE-2026-15690

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

CVE-2026-15690

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

UBUNTU-CVE-2026-15690

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

CVE-2026-15690 open62541 Shared Client ua_client_connect.c responseReadNamespacesArray null pointer dereference

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

CVE-2026-15690

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

CVE-2026-15690 open62541 Shared Client ua_client_connect.c responseReadNamespacesArray null pointer dereference

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

EUVD-2026-43659

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

CVE-2026-15690

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

CVE-2026-15690 open62541 Shared Client ua_client_connect.c responseReadNamespacesArray null pointer dereference

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

CVE-2026-15690

open62541 vulnerable to a null pointer dereference in the Shared Client Library. Affected: up to 1.5.5; vulnerable function: responseReadNamespacesArray in src/client/ua_client_connect.c, with manipulation of Server_NamespaceArray leading to a NPD. Exploitation can be remote and is described as d...

PT-2026-58008

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/ua client connect.c of the component Shared Client Library. Such manipulation of the argument Server NamespaceArray leads to null pointer dereference...

Linux Distros Unpatched Vulnerability : CVE-2026-33592

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An unauthenticated remote attacker can exhaust server memory via the FindServers Discovery Service in open62541. The serverUris field of FindServersRequest is n...

Linux Distros Unpatched Vulnerability : CVE-2026-11946

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An unauthenticated remote attacker can exhaust server memory via the GetEndpoints Discovery Service in open62541. The endpointUrl field of GetEndpointsRequest i...

CVE-2026-11946

A flaw was found in open62541. An unauthenticated remote attacker can exploit a vulnerability in the GetEndpoints Discovery Service by sending a malformed request with an excessively long, unvalidated endpointUrl field. This can lead to the server buffering large amounts of data indefinitely,...