CVE-2023-42138

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-11 · updated 2026-06-17
Weakness: CWE-125

Description

Out-of-bounds read vulnerability exists in KV STUDIO Ver. 11.62 and earlier and KV REPLAY VIEWER Ver. 2.62 and earlier. If this vulnerability is exploited, information may be disclosed or arbitrary code may be executed by having a user of KV STUDIO PLAYER open a specially crafted file.

Affected products

KEYENCE CORPORATION KV REPLAY VIEWER: before 2.63 — fixed in 2.63
KEYENCE CORPORATION KV STUDIO: before 11.63 — fixed in 11.63

How to fix

Upgrade to a fixed version: KEYENCE CORPORATION KV REPLAY VIEWER 2.63; KEYENCE CORPORATION KV STUDIO 11.63. Check the vendor advisory for mitigations.

References

https://jvn.jp/en/vu/JVNVU94752076/index.html
https://www.keyence.com/vulnerability231001
https://jvn.jp/en/vu/JVNVU94752076/index.html
https://www.keyence.com/vulnerability231001

Get alerted when CVE-2023-42138 or the next vulnerability affects your stack