What is CVE-2022-43664?

CVE-2022-43664 is a high-severity vulnerability in Ichitaro, classified under Use After Free. CVSS score: 7.8/10. Published 2023-04-05.

How severe is CVE-2022-43664?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Ichitaro

CVE-2022-43664

A use-after-free vulnerability exists within the way Ichitaro Word Processor 2022, version 1.0.1.57600, processes protected documents. A specially crafted document can trigger reuse of freed memory, which can lead to further memory corrupt…

Vulnerability class: Use-After-Free

EPSS: 0.005 (41.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Ichitaro — versions 2022 1.0.1.57600
Justsystems Ichitaro_2022 — versions 1.0.1.57600

Weakness classification (CWE)

CWE-416 — Use After Free

References

talos-cna@cisco.com (Exploit, Third Party Advisory)
talos-cna@cisco.com (VDB Entry, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2022-43664?: CVE-2022-43664 is a high-severity vulnerability in Ichitaro, classified under Use After Free. CVSS score: 7.8/10. Published 2023-04-05.
How severe is CVE-2022-43664?: High severity. CVSS v3 base score is 7.8 out of 10.