CVE-2026-82478 NASA Trick TCP Socket JSONVariableServerThread.cpp parse_request stack-based overflow

Medium 6.9 Published Updated

Remote attackers can trigger a stack-based buffer overflow in the NASA Trick simulation library's JSON variable server, potentially leading to code execution or crashes.

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-2026-82478?

CVE-2026-82478 is a medium-severity memory corruption vulnerability in NASA Trick, published on 30 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was determined in NASA Trick 19.6.0. This issue affects the function JSONVariableServerThread::parse_request of the file trick_source/sim_services/JSONVariableServer/JSONVariableServerThread.cpp of the component TCP Socket Handler. This manipulation causes stack-based buffer overflow. The attack is possible to be carried out remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-121, CWE-119

Which versions are affected by CVE-2026-82478?

How do I fix CVE-2026-82478?

No fix has been published for CVE-2026-82478 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-2026-82478 being exploited?

There is no known exploitation of CVE-2026-82478 in the wild and no public exploit code.

Sources

Also known as GHSA-fq2p-334f-fcrf.

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