High severity8.8NVD Advisory· Published Jul 30, 2026
o6 Automation open62541
CVE-2026-65423
Description
An integer overflow in the UA_Variant arrayDimensions product computation in open62541 may allow a remote attacker to trigger an out-of-bounds write.
Affected products
2Patches
Vulnerability mechanics
News mentions
1- o6 Automation open62541CISA ICS Advisories