CVE-2009-2261

CVE-2009-2261 is a critical-severity vulnerability in Giorgio Tani Peazip with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 41% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Description

PeaZIP 2.6.1, 2.5.1, and earlier on Windows allows user-assisted remote attackers to execute arbitrary commands via a .zip archive with a .txt file whose name contains | (pipe) characters and a command.

Frequently asked questions

What is CVE-2009-2261?
PeaZIP 2.6.1, 2.5.1, and earlier on Windows allows user-assisted remote attackers to execute arbitrary commands via a .zip archive with a .txt file whose name contains | (pipe) characters and a command.
How severe is CVE-2009-2261?
CVE-2009-2261 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-2261 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 41% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2261?
CVE-2009-2261 primarily affects Giorgio Tani Peazip. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2261?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-2261 published?
CVE-2009-2261 was published on 2009-06-30 and last updated on 2026-06-16.

References

Affected products (25)

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