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wnpa-sec-2026-25 · DLMS/COSEM dissector infinite loop

Summary

Name: DLMS/COSEM dissector infinite loop

Docid: wnpa-sec-2026-25

Date: April 29, 2026

Affected versions: 4.6.0 to 4.6.4

Fixed versions: 4.6.4

References:

Wireshark issue 21065.
CVE-2026-6536.

Details

Description

The DLMS/COSEM protocol dissector could go into an infinite loop.

Impact