CVE-2026-52753 Ghidra < 12.0.3 - Out-of-Memory in Rust Symbol Demangler via Malformed Symbol

Medium 6.7 Published Updated

Attackers can crash Ghidra by providing binaries with malicious Rust symbols that trigger unbounded memory allocation during analysis.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-52753?

CVE-2026-52753 is a medium-severity denial of service vulnerability in nationalsecurityagency ghidra, published on 10 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Ghidra before 12.0.3 contains an out-of-memory vulnerability in the rust_demangle function that allocates unbounded output buffers without size limits. Attackers can craft malicious Rust symbol names in binaries to trigger exponential memory allocation, causing process crashes during binary analysis.

Weakness: CWE-789

Which versions are affected by CVE-2026-52753?

It affects 1 product.

Products include Nsa Ghidra.

How do I fix CVE-2026-52753?

No fix has been published for CVE-2026-52753 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-52753 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-52753 exists.

Sources

Also known as GHSA-m94m-fqr3-x442.

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