CVE-2021-37311

Public Exploit

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.

References

Link	Tags
https://fcitx-im.org	product
https://github.com/fcitx/fcitx5/pull/308	exploit third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-37311?: CVE-2021-37311 has been scored as a high severity vulnerability.
How to fix CVE-2021-37311?: To fix CVE-2021-37311, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-37311 being actively exploited in the wild?: It is possible that CVE-2021-37311 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.

Description

Category

CWE-120 – Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

References

Frequently Asked Questions