CVE-2023-42138: Out-of-bounds read vulnerability exists in KV STUDIO Ver

Q: How do I fix CVE-2023-42138?

kv replay viewer: upgrade to 2.63; kv studio: upgrade to 11.63. Exact commands for each OS are on this page.

Q: Is CVE-2023-42138 being exploited?

CVE-2023-42138 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-42138 affect?

CVE-2023-42138 affects kv replay viewer, kv studio. Severity is high (CVSS 7.8). 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 K

Routine

HIGH 7.8UPGRADEUPGRADE

CVE-2023-42138 is a high-severity flaw (CVSS 7.8) affecting kv replay viewer, kv studio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 90%)
CISA exploited list	No
Weakness	CWE-125
Published	2023-10-11
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: keyence

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-10-11 09:15 UTCPublished CVE record published
2026-06-17 06:23 UTCUpdated Record last modified

keyence kv replay viewer UPGRADE

Affected: < 2.63

Fixed in: 2.63

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy kv-replay-viewer || rpm -q kv-replay-viewer || kv-replay-viewer --version

2. UPGRADE to 2.63 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade kv-replay-viewer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kv-replay-viewer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

keyence kv studio UPGRADE

Affected: < 11.63

Fixed in: 11.63

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy kv-studio || rpm -q kv-studio || kv-studio --version

2. UPGRADE to 11.63 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade kv-studio

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kv-studio

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-42138?

kv replay viewer: upgrade to 2.63; kv studio: upgrade to 11.63. Exact commands for each OS are on this page.

Is CVE-2023-42138 being exploited?

CVE-2023-42138 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-42138 affect?

CVE-2023-42138 affects kv replay viewer, kv studio. Severity is high (CVSS 7.8). 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 K

How urgent is CVE-2023-42138?

Priority 30/100. High severity

Related CVEs

CVE-2024-29219 HIGH 7.8 UPGRADE UPGRADE Out-of-bounds read vulnerability exists in KV STUDIO Ver.11.64 and earlier and KV REPLAY VIEWER Ver.2.64 and e
CVE-2024-29218 HIGH 8.8 UPGRADE UPGRADE Out-of-bounds write vulnerability exists in KV STUDIO Ver.11.64 and earlier, KV REPLAY VIEWER Ver.2.64 and ear

References

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