CVE-2026-38971 json
ardupilot through Plane-4.6.3 was found to contain an out-of-bounds read issue in libraries/GCS_MAVLink/GCS_serial_control.cpp in GCS_MAVLI…
published 2026-07-02 4 mo ago modified 2026-07-09 4 mo ago also EUVD-2026-41475
- cvss
- 9.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
ardupilot through Plane-4.6.3 was found to contain an out-of-bounds read issue in libraries/GCS_MAVLink/GCS_serial_control.cpp in GCS_MAVLINK::handle_serial_control().
Patch / fix
- github.com/ArduPilot/ardupilot#32587 pull request
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 4 mo ago
Exploit prediction
0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/ArduPilot/ardupilot/issues/32524 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| CNA | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
github.com
/ArduPilot/ardupilot/pull/32587
issue-tracking, patch
-
github.com
/ArduPilot/ardupilot/issues/32524
exploit, issue-tracking
-
github.com
/ArduPilot/ardupilot
product
- gist.github.com /quart27219/6bfcc615f89fb493d02aad480704593b
Sources
- CVE List CVE-2026-38971
- NVD CVE-2026-38971
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.