CVE-2026-38971 Memory corruption in n/a
An out-of-bounds read in ArduPilot's serial control handler allows attackers to cause denial of service or disclose memory contents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-38971?
CVE-2026-38971 is a critical memory corruption vulnerability in n/a, published on 2 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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().
Weakness: CWE-125
Which versions are affected by CVE-2026-38971?
It affects 1 product.
Products include Ardupilot Arduplane.
How do I fix CVE-2026-38971?
No fix has been published for CVE-2026-38971 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-38971 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-38971 exists.
Sources
Also known as GHSA-8g74-gp28-fgqv.