CVE-2009-2377: Buffer overflow in the Avax Vector ActiveX control in avPreview.ocx in AVAX-software Avax Vector ActiveX 1.3 a

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MEDIUM 4.3DOWNGRADE

CVE-2009-2377 is a medium-severity flaw (CVSS 4.3) affecting avax vector activex. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the Avax Vector ActiveX control in avPreview.ocx in AVAX-software Avax Vector ActiveX 1.3 allows remote attackers to cause a denial of service (application crash) via a long PrinterName property.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-119
Published	2009-07-08
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: avax-software

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

Am I affected?

Timeline

2009-07-08 15:30 UTCPublished CVE record published
2026-06-16 23:09 UTCUpdated Record last modified

avax-software avax vector activex DOWNGRADE

Affected: 1.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3

1. Check installed version

apt-cache policy avax-vector-activex || rpm -q avax-vector-activex || avax-vector-activex --version

2. No fixed release: DOWNGRADE to a release before 1.3 (Debian / Ubuntu)

apt-cache madison avax-vector-activex sudo apt install avax-vector-activex=<VERSION_BEFORE_1.3> sudo apt-mark hold avax-vector-activex

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

dnf --showduplicates list avax-vector-activex sudo dnf downgrade avax-vector-activex-<VERSION_BEFORE_1.3> sudo dnf versionlock add avax-vector-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: Avax Vector 1.3 - 'avPreview.ocx' ActiveX Control 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-2009-2377?

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

Is CVE-2009-2377 being exploited?

CVE-2009-2377 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-2009-2377 affect?

CVE-2009-2377 affects avax vector activex. Severity is medium (CVSS 4.3). Buffer overflow in the Avax Vector ActiveX control in avPreview.ocx in AVAX-software Avax Vector ActiveX 1.3 allows remote attackers to cause a denial of service (application crash) via a long PrinterName property.

How urgent is CVE-2009-2377?

Priority 40/100. Public exploit reference

Related CVEs

CVE-2007-3459 MEDIUM 6.4 DOWNGRADE A certain ActiveX control in Avaxswf.dll 1.0.0.1 in Civitech Avax Vector 1.3 allows remote attackers to create

References

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