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CVE-2026-82946Published

Null Pointer Dereference in Mailbox Error Handling

Exact source revision recorded 26 Oct 2026 10:12:57 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-82946

Published

SOEM version 2.0.0 and earlier contains a vulnerability where a malicious device can crash the master system. When the software receives an error response, it clears an internal pointer but continues processing. If another message arrives before timeout, the software attempts to use the cleared pointer, causing a crash. An attacker can trigger this with a simple sequence of two messages.

Source published
26 Oct 2026 08:55:20 UTC
Source modified
26 Oct 2026 08:55:20 UTC
Observed here
26 Oct 2026 10:12:57 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 3.1 · 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 27 Oct 19:51 UTC · 272 of 272 readable · 270 fully read · documentation 469/469 current

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