How severe is CVE-2015-8607?

CVE-2015-8607 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2015-8607 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8607?

CVE-2015-8607 primarily affects Perl Pathtools. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-8607?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-8607 published?

CVE-2015-8607 was published on 2016-01-13 and last updated on 2026-06-17.

CVE-2015-8607

CVE-2015-8607 is a high-severity vulnerability in Perl Pathtools with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Perl Pathtools
Published: 2016-01-13
Last modified: 2026-06-17

Description

The canonpath function in the File::Spec module in PathTools before 3.62, as used in Perl, does not properly preserve the taint attribute of data, which might allow context-dependent attackers to bypass the taint protection mechanism via a crafted string.

Frequently asked questions

What is CVE-2015-8607?: The canonpath function in the File::Spec module in PathTools before 3.62, as used in Perl, does not properly preserve the taint attribute of data, which might allow context-dependent attackers to bypass the taint protection mechanism via a crafted string.
How severe is CVE-2015-8607?: CVE-2015-8607 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2015-8607 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8607?: CVE-2015-8607 primarily affects Perl Pathtools. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-8607?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-8607 published?: CVE-2015-8607 was published on 2016-01-13 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
cpe:2.3:a:perl:pathtools:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

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