CVE-2020-21600 Memory corruption in n/a
A heap buffer overflow in libde265 allows attackers to execute arbitrary code or cause denial of service via a crafted file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-21600?
CVE-2020-21600 is a medium-severity memory corruption vulnerability in Struktur Libde265, published on 16 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
libde265 v1.0.4 contains a heap buffer overflow in the put_weighted_pred_avg_16_fallback function, which can be exploited via a crafted a file.
Weakness: CWE-787
Which versions are affected by CVE-2020-21600?
It affects 1 product.
Products include Struktur Libde265.
How do I fix CVE-2020-21600?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-21600 being exploited?
There is no known exploitation of CVE-2020-21600 in the wild and no public exploit code.
Other vulnerabilities in Struktur Libde265
Sources
Also known as ALPINE-CVE-2020-21600, DEBIAN-CVE-2020-21600, GHSA-jv6w-c82v-6qvw, UBUNTU-CVE-2020-21600.