Description
PX4 Autopilot contains a heap buffer overflow vulnerability in the sd_bench command that writes a four-byte block number into a user-supplied sized allocation. Attackers can invoke sd_bench with a block size below four bytes to overflow the heap buffer and potentially execute code or crash the system.
Published: 2026-09-02
Score: 7.1 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 02 Sep 2026 01:15:00 +0000

Type Values Removed Values Added
Description PX4 Autopilot contains a heap buffer overflow vulnerability in the sd_bench command that writes a four-byte block number into a user-supplied sized allocation. Attackers can invoke sd_bench with a block size below four bytes to overflow the heap buffer and potentially execute code or crash the system.
Title PX4 Autopilot sd_bench Heap Buffer Overflow via Block Size
First Time appeared Px4
Px4 autopilot
Weaknesses CWE-787
CPEs cpe:2.3:a:px4:autopilot:*:*:*:*:*:*:*:*
Vendors & Products Px4
Px4 autopilot
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

Px4 Autopilot
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-02T00:37:53.694Z

Reserved: 2026-09-01T23:24:25.508Z

Link: CVE-2026-84698

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-02T01:17:24.850

Modified: 2026-09-02T01:17:24.850

Link: CVE-2026-84698

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-02T03:00:12Z

Weaknesses