CVE-2026-81575 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-130

References

https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/AdvisoryWIBU-1

FAQ

What is CVE-2026-81575?

CVE-2026-81575 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 le...

How severe is CVE-2026-81575?

CVE-2026-81575 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-81575?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.