CVE-2024-27528 pywasm3 has an Invalid Memory Read, Leading to DoS and Potential Code Execution

High 8.4 Published Updated

An invalid memory read in the wasm3 library allows attackers to cause denial of service or potentially execute arbitrary code.

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-2024-27528?

CVE-2024-27528 is a high-severity memory corruption vulnerability in n/a, published on 8 Nov 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

wasm3 139076a suffers from Invalid Memory Read, leading to DoS and potential Code Execution.

Weakness: CWE-125

Which versions are affected by CVE-2024-27528?

3 open source packages ship an affected version, including pywasm3. It affects 1 product.

PackageAffectedFixed in
pywasm3 PyPIAll versions to 0.5.0None
pywasm3 PyPIAll versions to 0.5.0None
pywasm3 PyPIAll versions to 139076aNone

Products include Wasm3 Project Wasm3.

How do I fix CVE-2024-27528?

No fix has been published for CVE-2024-27528 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-2024-27528 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-27528 exists.

Sources

Also known as GHSA-mhg9-mm8c-c683, PYSEC-2024-304.

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