CVE-2021-41498 Pyo Buffer Overflow Vulnerability

High 7.5 Published Updated

Attackers can cause a denial of service in the Pyo audio library by sending an overlong server name, triggering a buffer overflow.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2021-41498?

CVE-2021-41498 is a high-severity memory corruption vulnerability in n/a, published on 17 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow in ajaxsoundstudio.com Pyo &lt and 1.03 in the Server_jack_init function. which allows attackers to conduct Denial of Service attacks by arbitrary constructing a overlong server name.

Weakness: CWE-120

Which versions are affected by CVE-2021-41498?

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

PackageAffectedFixed in
pyo PyPIAll versions1.0.4
pyo PyPIAll versions1.0.4
pyo PyPIAll versions1.0.4

Products include Pyo Project Pyo.

How do I fix CVE-2021-41498?

Upgrade pyo to 1.0.4 or later.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-41498 being exploited?

There is no known exploitation of CVE-2021-41498 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2021-41498, GHSA-qj27-32wp-ghrg, PYSEC-2021-890, UBUNTU-CVE-2021-41498.

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