CVE-2008-6363: Stack-based buffer overflow in DesignWorks Professional 4.3.1 and 5.0.7 allows remote attackers to execute arb

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HIGH 9.3DOWNGRADE

CVE-2008-6363 is a high-severity flaw (CVSS 9.3) affecting designworks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in DesignWorks Professional 4.3.1 and 5.0.7 allows remote attackers to execute arbitrary code via a crafted .cct file. NOTE: some of these details are obtained from third party information.

Why this priority

Critical severity
EPSS top 7%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	5.6% (top 7%)
CISA exploited list	No
Weakness	CWE-119
Published	2009-03-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: capilano

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

Am I affected?

Timeline

2009-03-02 16:30 UTCPublished CVE record published
2026-06-16 23:02 UTCUpdated Record last modified

capilano designworks DOWNGRADE

Affected: 4.3.1 · 5.0.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.3.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.3.1 (Debian / Ubuntu)

apt-cache madison designworks sudo apt install designworks=<VERSION_BEFORE_4.3.1> sudo apt-mark hold designworks

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

dnf --showduplicates list designworks sudo dnf downgrade designworks-<VERSION_BEFORE_4.3.1> sudo dnf versionlock add designworks

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: DesignWorks Professional 4.3.1 - '.CCT' File Local Stack Buffer Overflow (PoC)

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-2008-6363?

designworks: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2008-6363 being exploited?

CVE-2008-6363 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-2008-6363 affect?

CVE-2008-6363 affects designworks. Severity is high (CVSS 9.3). Stack-based buffer overflow in DesignWorks Professional 4.3.1 and 5.0.7 allows remote attackers to execute arbitrary code via a crafted .cct file. NOTE: some of these details are obtained from third party information.

How urgent is CVE-2008-6363?

Priority 61/100. Critical severity; EPSS top 7%: very likely to be exploited; Public exploit reference

References

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