CVE-2007-2623: Multiple buffer overflows in RControl.dll in Remote Display Dev kit 1.2.1.0 allow remote attackers to cause a

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HIGH 7.8DOWNGRADE

CVE-2007-2623 is a high-severity flaw (CVSS 7.8) affecting remote display development kit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple buffer overflows in RControl.dll in Remote Display Dev kit 1.2.1.0 allow remote attackers to cause a denial of service (Internet Explorer 7 crash) via (1) a long first argument to the connect function or (2) a long InternalServer property value, possibly involving ntdll.dll.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
EPSS exploit chance	4.3% (top 9%)
CISA exploited list	No
Published	2007-05-11
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: fruit2004

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-05-11 16:19 UTCPublished CVE record published
2026-06-16 22:39 UTCUpdated Record last modified

fruit2004 remote display development kit DOWNGRADE

Affected: 1.2.10

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.10

1. Check installed version

apt-cache policy remote-display-development-kit || rpm -q remote-display-development-kit || remote-display-development-kit --version

2. No fixed release: DOWNGRADE to a release before 1.2.10 (Debian / Ubuntu)

apt-cache madison remote-display-development-kit sudo apt install remote-display-development-kit=<VERSION_BEFORE_1.2.10> sudo apt-mark hold remote-display-development-kit

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list remote-display-development-kit sudo dnf downgrade remote-display-development-kit-<VERSION_BEFORE_1.2.10> sudo dnf versionlock add remote-display-development-kit

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Remote Display Dev kit 1.2.1.0 - 'RControl.dll' Denial of Service

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-2007-2623?

remote display development kit: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-2623 being exploited?

CVE-2007-2623 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-2007-2623 affect?

CVE-2007-2623 affects remote display development kit. Severity is high (CVSS 7.8). Multiple buffer overflows in RControl.dll in Remote Display Dev kit 1.2.1.0 allow remote attackers to cause a denial of service (Internet Explorer 7 crash) via (1) a long first argument to the connect function or (2) a long InternalServer p

How urgent is CVE-2007-2623?

Priority 55/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

Software pages

Internet Explorer vulnerabilities

References

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