PT-2026-66619 · Open62541 · Open62541

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CVE-2026-63559

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Published

2026-07-30

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Updated

2026-07-31

CVSS v4.0

8.7

High

VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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 the disclosure of sensitive information. Heap memory refers to a region of memory used for dynamic allocation during program execution.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Integer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-63559

Affected Products

Open62541