How severe is CVE-2015-1191?

CVE-2015-1191 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-1191 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1191?

CVE-2015-1191 affects Zlib Pigz. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-1191?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-1191 published?

CVE-2015-1191 was published on 2015-01-21 and last updated on 2026-06-17.

CVE-2015-1191

CVE-2015-1191 is a medium-severity vulnerability in Zlib Pigz with a CVSS 2.0 base score of 5.0. 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-22.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Zlib Pigz
Published: 2015-01-21
Last modified: 2026-06-17

Description

Multiple directory traversal vulnerabilities in pigz 2.3.1 allow remote attackers to write to arbitrary files via a (1) full pathname or (2) .. (dot dot) in an archive.

Frequently asked questions

What is CVE-2015-1191?: Multiple directory traversal vulnerabilities in pigz 2.3.1 allow remote attackers to write to arbitrary files via a (1) full pathname or (2) .. (dot dot) in an archive.
How severe is CVE-2015-1191?: CVE-2015-1191 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-1191 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1191?: CVE-2015-1191 affects Zlib Pigz. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-1191?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-1191 published?: CVE-2015-1191 was published on 2015-01-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zlib:pigz:2.3.1:*:*:*:*:*:*:*

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