CVE-2006-1172: Stack-based buffer overflow in the createPKCS10 function in Cryptomathic Cenroll ActiveX Control 1.1.0.0 allow

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MEDIUM 5.0DOWNGRADE

CVE-2006-1172 is a medium-severity flaw (CVSS 5.0) affecting cryptomathic cenroll activex control. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in the createPKCS10 function in Cryptomathic Cenroll ActiveX Control 1.1.0.0 allows remote attackers to execute arbitrary code via vectors related to the TDC Digital signature.

Why this priority

EPSS top 3%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	14.5% (top 3%)
CISA exploited list	No
Published	2006-05-09
Last modified	2026-06-16

Publisher (CNA): CERT/CC · Vendor: tdc

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

Am I affected?

Timeline

2006-05-09 10:02 UTCPublished CVE record published
2026-06-16 22:22 UTCUpdated Record last modified

tdc cryptomathic cenroll activex control DOWNGRADE

Affected: 1.1.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.0.0

1. Check installed version

apt-cache policy cryptomathic-cenroll-activex-control || rpm -q cryptomathic-cenroll-activex-control || cryptomathic-cenroll-activex-control --version

2. No fixed release: DOWNGRADE to a release before 1.1.0.0 (Debian / Ubuntu)

apt-cache madison cryptomathic-cenroll-activex-control sudo apt install cryptomathic-cenroll-activex-control=<VERSION_BEFORE_1.1.0.0> sudo apt-mark hold cryptomathic-cenroll-activex-control

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

dnf --showduplicates list cryptomathic-cenroll-activex-control sudo dnf downgrade cryptomathic-cenroll-activex-control-<VERSION_BEFORE_1.1.0.0> sudo dnf versionlock add cryptomathic-cenroll-activex-control

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: Cryptomathic - ActiveX Control Remote Buffer Overflow

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-2006-1172?

cryptomathic cenroll activex control: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-1172 being exploited?

CVE-2006-1172 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-2006-1172 affect?

CVE-2006-1172 affects cryptomathic cenroll activex control. Severity is medium (CVSS 5.0). Stack-based buffer overflow in the createPKCS10 function in Cryptomathic Cenroll ActiveX Control 1.1.0.0 allows remote attackers to execute arbitrary code via vectors related to the TDC Digital signature.

How urgent is CVE-2006-1172?

Priority 47/100. EPSS top 3%: very likely to be exploited; Public exploit reference

References

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