CVE-2020-21723 Memory corruption in n/a
Remote attackers can cause a denial of service via a crafted Ogg file due to a segmentation fault in the stream serializer.
- 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-2020-21723?
CVE-2020-21723 is a medium-severity memory corruption vulnerability in n/a, published on 22 Aug 2023. 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
A Segmentation Fault issue discovered StreamSerializer::extractStreams function in streamSerializer.cpp in oggvideotools 0.9.1 allows remote attackers to cause a denial of service (crash) via opening of crafted ogg file.
Weakness: CWE-787
Which versions are affected by CVE-2020-21723?
It affects 1 product.
Products include Ogg Video Tools Project Ogg Video Tools.
How do I fix CVE-2020-21723?
No fix has been published for CVE-2020-21723 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-2020-21723 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-21723 exists.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2020-21723, GHSA-3cvg-j39v-pqwx, UBUNTU-CVE-2020-21723.