CVE-2006-5964: choShilA.bpl in PentaZip 8.5.1.190 and PentaSuite-PRO 8.5.1.221 allows local users, and user-assisted remote a

This month

HIGH 7.1DOWNGRADEDOWNGRADE

CVE-2006-5964 is a high-severity flaw (CVSS 7.1) affecting pentasuite-pro, pentazip. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

choShilA.bpl in PentaZip 8.5.1.190 and PentaSuite-PRO 8.5.1.221 allows local users, and user-assisted remote attackers to cause a denial of service (system crash) by right clicking on a file with a long filename.

Why this priority

High severity

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

Risk facts

CVSS score	7.1 (High)
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Published	2007-01-19
Last modified	2026-06-16

Publisher (CNA): Flexera Software LLC · Vendor: pentaware

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

Am I affected?

Timeline

2007-01-19 01:28 UTCPublished CVE record published
2026-06-16 22:32 UTCUpdated Record last modified

pentaware pentasuite-pro DOWNGRADE

Affected: 8.5.1.221

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.5.1.221

1. Check installed version

apt-cache policy pentasuite-pro || rpm -q pentasuite-pro || pentasuite-pro --version

2. No fixed release: DOWNGRADE to a release before 8.5.1.221 (Debian / Ubuntu)

apt-cache madison pentasuite-pro sudo apt install pentasuite-pro=<VERSION_BEFORE_8.5.1.221> sudo apt-mark hold pentasuite-pro

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

dnf --showduplicates list pentasuite-pro sudo dnf downgrade pentasuite-pro-<VERSION_BEFORE_8.5.1.221> sudo dnf versionlock add pentasuite-pro

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.

pentaware pentazip DOWNGRADE

Affected: 8.5.1.190

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.5.1.190

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 8.5.1.190 (Debian / Ubuntu)

apt-cache madison pentazip sudo apt install pentazip=<VERSION_BEFORE_8.5.1.190> sudo apt-mark hold pentazip

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

dnf --showduplicates list pentazip sudo dnf downgrade pentazip-<VERSION_BEFORE_8.5.1.190> sudo dnf versionlock add pentazip

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.

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-2006-5964?

pentasuite-pro: downgrade or apply the listed mitigation; pentazip: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-5964 being exploited?

CVE-2006-5964 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-2006-5964 affect?

CVE-2006-5964 affects pentasuite-pro, pentazip. Severity is high (CVSS 7.1). choShilA.bpl in PentaZip 8.5.1.190 and PentaSuite-PRO 8.5.1.221 allows local users, and user-assisted remote attackers to cause a denial of service (system crash) by right clicking on a file with a long filename.

How urgent is CVE-2006-5964?

Priority 44/100. High severity

Related CVEs

CVE-2006-5963 MEDIUM 4.3 DOWNGRADE DOWNGRADE Directory traversal vulnerability in PentaZip 8.5.1.190 and PentaSuite-PRO 8.5.1.221 allows user-assisted remo
CVE-2006-2482 MEDIUM 6.8 DOWNGRADE DOWNGRADE Heap-based buffer overflow in the TZipTV component in (1) ZipTV for Delphi 7 2006.1.26 and for C++ Builder 200

References

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