CVE-2021-36409 Denial of service in n/a

High 7.8 Published Updated

Attackers can cause a denial of service in libde265 by providing a crafted file that triggers an assertion failure during decoding.

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
Available

What is CVE-2021-36409?

CVE-2021-36409 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 10 Jan 2022. 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

There is an Assertion `scaling_list_pred_matrix_id_delta==1' failed at sps.cc:925 in libde265 v1.0.8 when decoding file, which allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file or possibly have unspecified other impact.

Weakness: CWE-617

Which versions are affected by CVE-2021-36409?

It affects 2 products.

Products include Debian Debian Linux, Struktur Libde265.

How do I fix CVE-2021-36409?

Upgrade to a fixed version.

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-2021-36409 being exploited?

There is no known exploitation of CVE-2021-36409 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-36409, GHSA-wgpj-6x6j-fh7r, UBUNTU-CVE-2021-36409.

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