Description

A crafted IEC 60870-5-104 I-frame with a declared object count exceeding what fits in the ASDU body causes InformationObject_ParseObjectAddress to read one byte past the end of the heap-allocated message buffer.

Severity (CVSS)

Base score6.9
SeverityMedium
VersionCVSS 4.0
VectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
Provided byCNA

Weaknesses

  • CWE-125 — CWE-125

Affected products

VendorProductVersions
MZ Automationlib608702.4.0; 2.4.1

References

Authoritative sources

This page is a snapshot. For the latest enrichment and updates, view the record on CVE.org or the NVD.

Generated from the official CVE List on 31 Jul 2026 07:05 UTC.