How severe is CVE-2016-9016?

CVE-2016-9016 has a CVSS 3.x base score of 8.8, 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-2016-9016 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9016?

CVE-2016-9016 affects Firejail Project Firejail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-9016?

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-2016-9016 published?

CVE-2016-9016 was published on 2017-01-19 and last updated on 2026-06-17.

CVE-2016-9016

CVE-2016-9016 is a high-severity vulnerability in Firejail Project Firejail with a CVSS 3.x base score of 8.8. 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-284.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Firejail Project Firejail
Published: 2017-01-19
Last modified: 2026-06-17

Description

Firejail 0.9.38.4 allows local users to execute arbitrary commands outside of the sandbox via a crafted TIOCSTI ioctl call.

Frequently asked questions

What is CVE-2016-9016?: Firejail 0.9.38.4 allows local users to execute arbitrary commands outside of the sandbox via a crafted TIOCSTI ioctl call.
How severe is CVE-2016-9016?: CVE-2016-9016 has a CVSS 3.x base score of 8.8, 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-2016-9016 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9016?: CVE-2016-9016 affects Firejail Project Firejail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-9016?: 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-2016-9016 published?: CVE-2016-9016 was published on 2017-01-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:firejail_project:firejail:0.9.38.4:*:*:*:*:*:*:*

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