CVE-2023-42506: Improper restriction of operations within the bounds of a memory buffer issue exists in OnSinView2 versions 2.

Q: How do I fix CVE-2023-42506?

onsinview2: upgrade to newer than 2.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-42506 being exploited?

CVE-2023-42506 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-2023-42506 affect?

CVE-2023-42506 affects onsinview2. Severity is high (CVSS 7.8). Improper restriction of operations within the bounds of a memory buffer issue exists in OnSinView2 versions 2.0.1 and earlier. If this vulnerability is exploited, information may be disclosed or arbitrary code may be executed by having a us

Routine

HIGH 7.8UPGRADE

CVE-2023-42506 is a high-severity flaw (CVSS 7.8) affecting onsinview2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper restriction of operations within the bounds of a memory buffer issue exists in OnSinView2 versions 2.0.1 and earlier. If this vulnerability is exploited, information may be disclosed or arbitrary code may be executed by having a user open a specially crafted OnSinView2 project 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 88%)
CISA exploited list	No
Weakness	CWE-119
Published	2023-10-17
Last modified	2026-06-17

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

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

Am I affected?

Timeline

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

jtekt onsinview2 UPGRADE

Affected: <= 2.0.1

Fixed in: newer than 2.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy onsinview2 || rpm -q onsinview2 || onsinview2 --version

2. UPGRADE to newer than 2.0.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade onsinview2

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade onsinview2

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-2023-42506?

onsinview2: upgrade to newer than 2.0.1. Exact commands for each OS are on this page.

Is CVE-2023-42506 being exploited?

CVE-2023-42506 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-2023-42506 affect?

CVE-2023-42506 affects onsinview2. Severity is high (CVSS 7.8). Improper restriction of operations within the bounds of a memory buffer issue exists in OnSinView2 versions 2.0.1 and earlier. If this vulnerability is exploited, information may be disclosed or arbitrary code may be executed by having a us

How urgent is CVE-2023-42506?

Priority 30/100. High severity

Related CVEs

CVE-2023-42507 HIGH 7.8 UPGRADE Stack-based buffer overflow vulnerability exists in OnSinView2 versions 2.0.1 and earlier

References

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