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CVE-2021-37311

Date: February 2, 2023

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.

Language: C++

Severity Score

Related Resources (5)

https://security-tracker.debian.org/tracker/CVE-2021-37311
https://fcitx-im.org
https://nvd.nist.gov/vuln/detail/CVE-2021-37311
https://github.com/fcitx/fcitx5/pull/308
https://www.mend.io/vulnerability-database/CVE-2021-37311

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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