CVE-2005-0156

CVE-2005-0156 is a low-severity vulnerability in Larry Wall Perl with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Buffer overflow in the PerlIO implementation in Perl 5.8.0, when installed with setuid support (sperl), allows local users to execute arbitrary code by setting the PERLIO_DEBUG variable and executing a Perl script whose full pathname contains a long directory tree.

Frequently asked questions

What is CVE-2005-0156?
Buffer overflow in the PerlIO implementation in Perl 5.8.0, when installed with setuid support (sperl), allows local users to execute arbitrary code by setting the PERLIO_DEBUG variable and executing a Perl script whose full pathname contains a long directory tree.
How severe is CVE-2005-0156?
CVE-2005-0156 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2005-0156 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0156?
CVE-2005-0156 primarily affects Larry Wall Perl. In total, 32 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-0156?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-0156 published?
CVE-2005-0156 was published on 2005-02-07 and last updated on 2026-06-16.

References

Affected products (32)

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