CVE-2023-22291

Name: CVE-2023-22291
Creator: NVD / NIST
Published: 2023-04-05T16:15:07.88+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2023-22291 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An invalid free vulnerability exists in the Frame stream parser functionality of Ichitaro 2022 1.0.1.57600. A specially crafted document can lead to an attempt to free a stack pointer, which causes memory corruption. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

An invalid free vulnerability exists in the Frame stream parser functionality of Ichitaro 2022 1.0.1.57600. A specially crafted document can lead to an attempt to free a stack pointer, which causes memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.45%

36.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-590

Affected Software

Vendor	Product	Versions
Justsystems	Ichitaro 2022	1.0.1.57600

References

https://jvn.jp/en/jp/JVN79149117/Third Party Advisory, VDB Entry
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1687Exploit, Third Party Advisory
https://jvn.jp/en/jp/JVN79149117/Third Party Advisory, VDB Entry
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1687Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1687

Timeline

Published: Apr 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-22291?

How severe is CVE-2023-22291?

CVE-2023-22291 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2023-22291?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-22291?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST