Missing Length Check

Answer in brief

CVE-2023-5778 records a Unknown severity vulnerability in Missing Length Check. The current sources do not mark it as known exploited. The current feed maps ABB/Freelance Controller AC700 (generic), ABB/Freelance Controller AC800 (generic), ABB/Freelance Controller AC900 (generic), ABB/Freelance Controller DCP (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 18, 2026Updated Sep 18, 2026Source checked Sep 18, 2026First seen by HOL Sep 18, 2026Material review Sep 18, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 4 mapped packages or products
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps ABB/Freelance Controller AC700 (generic), ABB/Freelance Controller AC800 (generic), ABB/Freelance Controller AC900 (generic), ABB/Freelance Controller DCP (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
ABB/Freelance Controller AC700generic	0 \|\| 2013 SP1 \|\| 2016 \|\| 2016 SP1 \|\| 2019 \|\| 2019 SP1	Not reported
ABB/Freelance Controller AC800generic	0 \|\| 2013 SP1 \|\| 2016 \|\| 2016 SP1 \|\| 2019 \|\| 2019 SP1	Not reported
ABB/Freelance Controller AC900generic	0 \|\| 2013 SP1 \|\| 2016 \|\| 2016 SP1 \|\| 2019 \|\| 2019 SP1	Not reported
ABB/Freelance Controller DCPgeneric	0 \|\| 2013 SP1 \|\| 2016 \|\| 2016 SP1 \|\| 2019 \|\| 2019 SP1	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for ABB/Freelance Controller AC700, ABB/Freelance Controller AC800, ABB/Freelance Controller AC900.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 18, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 18, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 18, 2026

Sources and claim methodology

Source referencesearch.abb.com

Upstream source description

Improper handling of length parameter inconsistency vulnerability in ABB Freelance Controller DCP, ABB Freelance Controller AC700, ABB Freelance Controller AC800, and ABB Freelance Controller AC900. This issue affects Freelance Controller DCP: through 2013, 2013 SP1, 2016, 2016 SP1, 2019, and 2019 SP1; Freelance Controller AC700: through 2013, 2013 SP1, 2016, 2016 SP1, 2019, and 2019 SP1; Freelance Controller AC800: through 2013, 2013 SP1, 2016, 2016 SP1, 2019, and 2019 SP1; Freelance Controller AC900: through 2013, 2013 SP1, 2016, 2016 SP1, 2019, and 2019 SP1.

Quoted source text, attributed separately from HOL analysis.