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open62541

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Exploited (KEV)0None in CISA KEV
CVSS critical1CVSS 9.0–10.0
CVSS high1CVSS 7.0–8.9

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3 records

TI-2026-80083 CVE-2026-116014 · GHSA-78c3-xxg6-2pf3

Integer overflow in open62541 custom DataType parsing

Priority MEDIUM 42

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.

CVSS 4.0CRITICAL 9.2 Network No auth No interaction EPSS 0.00432 Published 2026-10-24 Fixed in 1.5.7 CWE-190
TI-2022-09335 CVE-2022-25761 · GHSA-p69w-fx96-62pg

Denial of service (DoS) in open62541/open62541

Priority LOW 36

The package open62541/open62541 before 1.2.5, from 1.3-rc1 and before 1.3.1 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01445 Published 2022-08-23 Fixed in 1.2.5, 1.3.1 CWE-770
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