Vulnerability Details : CVE-2021-37311
Potential exploit
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.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2021-37311
- cpe:2.3:a:fcitx_5_project:fcitx_5:5.0.8:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-37311
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 30 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-37311
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-37311
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-37311
-
https://fcitx-im.org
Fcitx 5 - FcitxProduct
-
https://github.com/fcitx/fcitx5/pull/308
Fix crash due to undefined behaviours by sgn · Pull Request #308 · fcitx/fcitx5 · GitHubExploit;Patch;Third Party Advisory
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