CVE-2026-63559
HIGH SEVERITYCVSS Score & Metrics
Base Score
7.5 / 10
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability 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.
computation in open62541 may allow a remote attacker to read
out-of-bounds heap memory, potentially disclosing sensitive information.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-190
Source
NVD
Vendor
o6 Automation
Product
open62541
External References
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-08.json
- https://github.com/open62541/open62541/pull/8235/commits/b666d35769ce63998442e4d0810a3fb10b50179f
- https://github.com/open62541/open62541/pull/8236/commits/06b99fef667c8ec5bdf0605b4f00c84fcc1d3a60
- https://github.com/open62541/open62541/pull/8237/commits/1b71d9c5d9c4d02d4729b8903a52e9f530bf804e
- https://github.com/open62541/open62541/pull/8238/commits/afab4107bfd161da9ce8bb30ed77f3968c9c97df
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-08
- https://www.o6-automation.com/contact
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