How severe is CVE-2017-5226?

CVE-2017-5226 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-5226 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-2017-5226?

CVE-2017-5226 affects Projectatomic Bubblewrap. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-5226?

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

When was CVE-2017-5226 published?

CVE-2017-5226 was published on 2017-03-29 and last updated on 2026-06-17.

CVE-2017-5226

CVE-2017-5226 is a critical-severity vulnerability in Projectatomic Bubblewrap with a CVSS 3.x base score of 10.0. 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-20.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 7.5
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Projectatomic Bubblewrap
Published: 2017-03-29
Last modified: 2026-06-17

Description

When executing a program via the bubblewrap sandbox, the nonpriv session can escape to the parent session by using the TIOCSTI ioctl to push characters into the terminal's input buffer, allowing an attacker to escape the sandbox.

Frequently asked questions

What is CVE-2017-5226?: When executing a program via the bubblewrap sandbox, the nonpriv session can escape to the parent session by using the TIOCSTI ioctl to push characters into the terminal's input buffer, allowing an attacker to escape the sandbox.
How severe is CVE-2017-5226?: CVE-2017-5226 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-5226 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-2017-5226?: CVE-2017-5226 affects Projectatomic Bubblewrap. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-5226?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-5226 published?: CVE-2017-5226 was published on 2017-03-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:projectatomic:bubblewrap:*:*:*:*:*:*:*:*

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