CVE-2021-37311 Memory corruption in n/a
Attackers can cause a denial of service in fcitx5 by sending crafted messages to its listening port due to 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-2021-37311?
CVE-2021-37311 is a high-severity memory corruption vulnerability in n/a, published on 3 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer Overflow vulnerability in fcitx5 5.0.8 allows attackers to cause a denial of service via crafted message to the application's listening port.
Weakness: CWE-120
Which versions are affected by CVE-2021-37311?
It affects 1 product.
Products include Fcitx 5 Project Fcitx 5.
How do I fix CVE-2021-37311?
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-2021-37311 being exploited?
There is no known exploitation of CVE-2021-37311 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2021-37311, GHSA-2cp5-jwv5-w755, UBUNTU-CVE-2021-37311.