CVE-2023-52277: Royal RoyalTSX before 6.0.2.1 allows attackers to cause a denial of service (Heap Memory Corruption and applic

Q: How do I fix CVE-2023-52277?

royaltsx: upgrade to 6.0.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-52277 being exploited?

CVE-2023-52277 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-2023-52277 affect?

CVE-2023-52277 affects royaltsx. Severity is high (CVSS 7.8). Royal RoyalTSX before 6.0.2.1 allows attackers to cause a denial of service (Heap Memory Corruption and application crash) or possibly have unspecified other impact via a long hostname in an RTSZ file, if the victim clicks on Test Connectio

Routine

HIGH 7.8UPGRADE

CVE-2023-52277 is a high-severity flaw (CVSS 7.8) affecting royaltsx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Royal RoyalTSX before 6.0.2.1 allows attackers to cause a denial of service (Heap Memory Corruption and application crash) or possibly have unspecified other impact via a long hostname in an RTSZ file, if the victim clicks on Test Connection. This occurs during SecureGatewayHost object processing in RAPortCheck.createNWConnection.

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 92%)
CISA exploited list	No
Weakness	CWE-787
Published	2023-12-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: royalapps

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

Am I affected?

Timeline

2023-12-31 03:15 UTCPublished CVE record published
2026-06-17 06:42 UTCUpdated Record last modified

royalapps royaltsx UPGRADE

Affected: < 6.0.2.1

Fixed in: 6.0.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 6.0.2.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade royaltsx

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-2023-52277?

royaltsx: upgrade to 6.0.2.1. Exact commands for each OS are on this page.

Is CVE-2023-52277 being exploited?

CVE-2023-52277 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-2023-52277 affect?

CVE-2023-52277 affects royaltsx. Severity is high (CVSS 7.8). Royal RoyalTSX before 6.0.2.1 allows attackers to cause a denial of service (Heap Memory Corruption and application crash) or possibly have unspecified other impact via a long hostname in an RTSZ file, if the victim clicks on Test Connectio

How urgent is CVE-2023-52277?

Priority 29/100. High severity

References

← Back to latest CVEs