CVE-2026-81575

High

Description

If configured as a server, CodeMeter Runtime before versions 8.41a and 9.10 accepts requests with opcode 0x5e, which contain the data length and the data itself. Missing bounds checking on the data length value can lead to out of bounds reads, causing a segmentation fault that ultimately crashes the CodeMeter Runtime.

SeverityHigh
CVSS7.5
Exploit probability—
ProductWibu-systems-ag Codemeter-runtime
PublishedAug 27, 2026
First seenAug 27, 2026
Weakness typeCWE-130CWE-130

How to fix

Update
  • wibu-systems-ag codemeter-runtime9.10, 8.41a or later

Affected products

ProductAffected versionsFixed in
wibu-systems-ag codemeter-runtime9.00 ≤ v < 9.10, 8.00 ≤ v < 8.41a9.10, 8.41a

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