How severe is CVE-2015-4035?

CVE-2015-4035 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-4035 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4035?

CVE-2015-4035 affects Tukaani Xz. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-4035?

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-2015-4035 published?

CVE-2015-4035 was published on 2017-07-25 and last updated on 2026-06-17.

CVE-2015-4035

CVE-2015-4035 is a high-severity vulnerability in Tukaani Xz with a CVSS 3.x base score of 7.8. 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 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Tukaani Xz
Published: 2017-07-25
Last modified: 2026-06-17

Description

scripts/xzgrep.in in xzgrep 5.2.x before 5.2.0, before 5.0.0 does not properly process file names containing semicolons, which allows remote attackers to execute arbitrary code by having a user run xzgrep on a crafted file name.

Frequently asked questions

What is CVE-2015-4035?: scripts/xzgrep.in in xzgrep 5.2.x before 5.2.0, before 5.0.0 does not properly process file names containing semicolons, which allows remote attackers to execute arbitrary code by having a user run xzgrep on a crafted file name.
How severe is CVE-2015-4035?: CVE-2015-4035 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-4035 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4035?: CVE-2015-4035 affects Tukaani Xz. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-4035?: 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-2015-4035 published?: CVE-2015-4035 was published on 2017-07-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tukaani:xz:*:beta:*:*:*:*:*:*

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