CVE-2023-38128

HIGH
7.8
CVSS Score
Published: October 19, 2023 at 05:00 PM UTC
Updated: June 17, 2026 at 06:09 AM UTC
20 products affected across 2 vendorsIchitaro 2022Ichitaro Government 8Ichitaro Pro 3

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Severity
HIGH7.8
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

An out-of-bounds write vulnerability exists in the "HyperLinkFrame" stream parser of Ichitaro 2023 1.0.1.59372. A specially crafted document can cause a type confusion, which can lead to memory corruption and eventually arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHtalos
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-843CWE-787

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