CVE-2026-84698: Out-of-bounds Write in PX4 PX4-Autopilot
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.
CVE-2026-84698: Out-of-bounds Write in PX4 PX4-Autopilot
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.
CVSS v4.0
Score 7.1high
Affected software
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Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-01T23:24:25.508Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a977a61acd9273b49923c34
Added to database: 09/02/2026, 01:22:41 UTC
Last updated: 09/02/2026, 02:07:04 UTC
Views: 5
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