CVE-2026-75371

Integer Overrun in COBS Decoder Enables UART‑Based Denial of Service on AcubeSAT OBC

Published Aug 24, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
An integer handling flaw in the cobs_decode function of SpaceDot AcubeSAT OBC software commit eaf90ec allows physically-proximate attackers with UART access to cause a Denial of Service (DoS) via a crafted input.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Title Integer Overrun in COBS Decoder Enables UART‑Based Denial of Service on AcubeSAT OBC
Type Values Removed Values Added
Title SpaceDot AcubeSAT UART Denial of Service via Integer Handling Flaw in cobs_decode
Weaknesses CWE-198
Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Spacedot
Spacedot acubesat
Vendors & Products Spacedot
Spacedot acubesat
Type Values Removed Values Added
Title SpaceDot AcubeSAT UART Denial of Service via Integer Handling Flaw in cobs_decode
Weaknesses CWE-198
Type Values Removed Values Added
Description An integer handling flaw in the cobs_decode function of SpaceDot AcubeSAT OBC software commit eaf90ec allows physically-proximate attackers with UART access to cause a Denial of Service (DoS) via a crafted input.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 25, 2026, 7:44 PM
Reserved
Aug 17, 2026, 12:00 AM
Status
Deferred
Published
Aug 24, 2026, 7:16 PM
Modified
Oct 13, 2026, 9:10 AM