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Vulnerabilities CVE-2026-63559

CVE-2026-63559

High
Open
TLP:CLEAR

o6 Automation open62541 Integer Overflow or Wraparound

NVD CVE.org

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Description

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.

Details

CVSS Score
7.5
EPSS Score ⓘ
0.43%

35.9th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Confidence
90%
Published
Jul 30, 2026
Last Modified
Jul 30, 2026
Notes
0
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