CVE-2026-81575

HIGH CVSS 3.1: 7.5 EPSS 0.46%
Updated Sep 01, 2026
Wibu-Systems-Ag
Parameter Value
CVSS 7.5 (HIGH)
Affected Versions 8.00 — 9.10
Fixed In 9.10
Type CWE-130
Vendor Wibu-Systems-Ag
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 4

Configuration From (including) Up to (excluding)
Wibu-Systems-Ag Codemeter-Runtime
cpe:2.3:a:wibu-systems-ag:codemeter-runtime:*:*:*:*:*:*:*:*
9.00 9.10
Wibu-Systems-Ag Codemeter-Runtime
cpe:2.3:a:wibu-systems-ag:codemeter-runtime:*:*:*:*:*:*:*:*
8.00 8.41a
Wibu-Systems-Ag Codemeter-Runtime
cpe:2.3:a:wibu-systems-ag:codemeter-runtime:7.00:*:*:*:*:*:*:*
— —
Wibu-Systems-Ag Codemeter-Runtime
cpe:2.3:a:wibu-systems-ag:codemeter-runtime:6.00:*:*:*:*:*:*:*
— —