CVE-2020-23889

medium

Description

A User Mode Write AV starting at Editor!TMethodImplementationIntercept+0x4189c6 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted ico file.

References

https://www.wildbit-soft.fi/software.html

https://github.com/Aurorainfinity/vulnerabilities/blob/master/WildBit_Viewer/ico_file_format.md

Details

Source: Mitre, NVD

Published: 2021-11-10

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H