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open62541 UA_Variant arrayDimensionso6 Automation open62541 Integer Overflow or Wraparound

Risk 47
Severity
8.7
Integer Overflow
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

An integer overflow in the UAVariant arrayDimensions product computation in open62541 may allow a remote attacker to read out-of-bounds heap memory, potentially disclosing sensitive information.

First published (updated )
CVE-2026-63559

open62541 UA_Variant arrayDimensionso6 Automation open62541 Integer Overflow or Wraparound

Risk 79
Severity
8.7
Integer Overflow
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

An integer overflow in the UAVariant arrayDimensions product computation in open62541 may allow a remote attacker to trigger an out-of-bounds write.

First published (updated )
CVE-2026-65423

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