CVE-2026-30363 Memory corruption in n/a

High 8.4 Published Updated

A stack overflow in the Flipper Zero firmware Main function allows attackers to execute arbitrary code or cause a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-30363?

CVE-2026-30363 is a high-severity memory corruption vulnerability in n/a, published on 1 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

flipperzero-firmware commit ad2a80 was discovered to contain a stack overflow in the "Main" function.

Weakness: CWE-121

Which versions are affected by CVE-2026-30363?

How do I fix CVE-2026-30363?

No fix has been published for CVE-2026-30363 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-2026-30363 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-30363 exists.

Sources

Also known as GHSA-3ffr-g93x-5957.

Is CVE-2026-30363 in your software?

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