PX4 Autopilot through 1.17.0 Stack Exhaustion via tests file2 Command (CVE-2026-102809) | HOL Guard CVE

High · CVSS 7.1CVE-2026-102809

PX4 Autopilot through 1.17.0 Stack Exhaustion via tests file2 Command

Answer in brief

CVE-2026-102809 records a High severity (CVSS 7.1) vulnerability in PX4 Autopilot through 1.17.0 Stack Exhaustion via tests file2 Command. The current sources do not mark it as known exploited. The current feed maps PX4/PX4-Autopilot (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 29, 2026Updated Sep 29, 2026Source checked Sep 29, 2026First seen by HOL Sep 29, 2026Material review Sep 29, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.1
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 7.1. 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 PX4/PX4-Autopilot (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
PX4/PX4-Autopilotgeneric	>=0 <=1.17.0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for PX4/PX4-Autopilot.
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 29, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 29, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 29, 2026

Sources and claim methodology

Upstream source description

PX4 Autopilot through 1.17.0 contains an uncontrolled stack allocation vulnerability in the file2 test command that fails to validate the write chunk size parameter. Attackers with shell access can supply an excessively large value to the -c option to trigger stack overflow and crash the flight controller.

Quoted source text, attributed separately from HOL analysis.