CVE-2008-4926: Multiple insecure method vulnerabilities in MW6 Technologies PDF417 ActiveX control (MW6PDF417Lib.PDF417, MW6P

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HIGH 9.0DOWNGRADE

CVE-2008-4926 is a high-severity flaw (CVSS 9.0) affecting pdf417 activex. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple insecure method vulnerabilities in MW6 Technologies PDF417 ActiveX control (MW6PDF417Lib.PDF417, MW6PDF417.dll) 3.0.0.1 allow remote attackers to overwrite arbitrary files via a full pathname argument to the (1) SaveAsBMP and (2) SaveAsWMF methods.

Why this priority

Critical severity
EPSS top 6%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	9.0 (High)
EPSS exploit chance	7.1% (top 6%)
CISA exploited list	No
Published	2008-11-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mw6 technologies

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

Am I affected?

Timeline

2008-11-04 21:00 UTCPublished CVE record published
2026-06-16 22:58 UTCUpdated Record last modified

mw6 technologies pdf417 activex DOWNGRADE

Affected: 3.0.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.0.1

1. Check installed version

apt-cache policy pdf417-activex || rpm -q pdf417-activex || pdf417-activex --version

2. No fixed release: DOWNGRADE to a release before 3.0.0.1 (Debian / Ubuntu)

apt-cache madison pdf417-activex sudo apt install pdf417-activex=<VERSION_BEFORE_3.0.0.1> sudo apt-mark hold pdf417-activex

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

dnf --showduplicates list pdf417-activex sudo dnf downgrade pdf417-activex-<VERSION_BEFORE_3.0.0.1> sudo dnf versionlock add pdf417-activex

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: MW6 PDF417 - ActiveX 'MW6PDF417.dll' Remote Insecure Method

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-2008-4926?

pdf417 activex: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2008-4926 being exploited?

CVE-2008-4926 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-2008-4926 affect?

CVE-2008-4926 affects pdf417 activex. Severity is high (CVSS 9.0). Multiple insecure method vulnerabilities in MW6 Technologies PDF417 ActiveX control (MW6PDF417Lib.PDF417, MW6PDF417.dll) 3.0.0.1 allow remote attackers to overwrite arbitrary files via a full pathname argument to the (1) SaveAsBMP and (2) S

How urgent is CVE-2008-4926?

Priority 60/100. Critical severity; EPSS top 6%: very likely to be exploited; Public exploit reference

References

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