24 results · Feed
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High 8.1
open62541 1.5.0 before 1.5.7 Integer Overflow Heap Buffer Overflow via Custom DataType
open62541 1.5.0 before 1.5.7 contains an integer overflow in UA_DataType_fromStructureDescription() that wraps the 16-bit memSize field for large custom structure definitions. A malicious OPC UA server can supply DataType definitions via UA_Client_getRemoteDa…
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Medium 5.3
open62541 History Backend ua_history_data_backend_memory.c UA_DataValue_backend_copyRange use after free
A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UA_DataValue_backend_copyRange of the file plugins/historydata/ua_history_data_backend_memory.c of the component History Backend. The manipulation results in…
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High 7.5
Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Service…
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High 7.5
An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the NodeManagement t…
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Critical 9.8
In open62541 v1.5.5, the server-side AddReferences implementation contains an incomplete validation flaw for non-local …
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High 7.5
In open62541 1.5.5, a server-side use-after-free exists in the local MonitoredItem callback path. The issue occurs when…
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Medium 5.3
o6 open62541 client_types_custom.c UA_Client_getRemoteDataTypes use after free
A vulnerability was determined in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b. Impacted is the function UA_Client_getRemoteDataTypes of the file examples/custom_datatype/client_types_custom.c. Executing a manipulation can lead to use after free. It …
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Medium 5.3
o6 open62541 ua_client_highlevel.c UA_Client_readNodeClassAttribute heap-based overflow
A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UA_Client_readNodeClassAttribute of the file src/client/ua_client_highlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requi…
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High 7.5
open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UA_ENABLE_GDS_PUSHM…
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High 7.5
open62541 1.5.5 contains a heap-based buffer overflow in the default HistoryRead path when the default history database…
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High 7.5
open62541 1.5.5 contains a buffer-overflow in the high-level attribute reading logic in src/client/ua_client_highlevel.…
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High 7.5
An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the UA_Client_getRem…
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High 7.5
Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Discove…
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High 7.5
Buffer Overflow vulnerability exists in open62541 1.5.5 when the Local Discovery Server (LDS) is built with multicast d…
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High 7.5
An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via crafted CreateSubscr…
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High 7.5
open62541 1.5.5 contains an out-of-bounds read in the client-side function responseReadNamespacesArray() in src/client/…
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Medium 5.9
o6 Automation open62541 Integer Underflow
An unsigned integer underflow in the PubSub signature verification path in open62541 may allow a remote attacker to cause a denial of service via a crafted UDP packet.
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High 8.8
o6 Automation open62541 Integer Overflow or Wraparound
An integer overflow in the UA_Variant arrayDimensions product computation in open62541 may allow a remote attacker to trigger an out-of-bounds write.
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High 8.1
o6 Automation open62541 Use After Free
A heap use-after-free vulnerability in the TransferSubscriptions service in open62541 may allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code.
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High 7.5
o6 Automation open62541 Integer Overflow or Wraparound
An integer overflow in the UA_Variant arrayDimensions product computation in open62541 may allow a remote attacker to read out-of-bounds heap memory, potentially disclosing sensitive information.
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Low 3.1
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/ua_client_connect.c of the component Shared Client Library. Such manipulation of the argument Server_NamespaceAr…
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High 7.5
GetEndpoints Memory Exhaustion in open62541
An unauthenticated remote attacker can exhaust server memory via the GetEndpoints Discovery Service in open62541. The endpointUrl field of GetEndpointsRequest is not validated for length. An attacker can declare an arbitrarily large string (up to ~4.09 GB via…
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High 7.5
FindServers Memory Exhaustion in open62541
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 ~…
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High 7.5
Open62541 v1.4.6 is has an assertion failure in fuzz_binary_decode, which leads to a crash.