CVE-2017-5226

Exp

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.

Published: 2017-03-29 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-5226 is rated High Exploit Risk (89.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 10.38%, 93th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.54% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2017-5226

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2017-5226

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-20 8.85% 10.38% +1.54%
2 2025-11-21 1.61% 8.85% +7.23%
3 2025-11-18 — 1.61% —

Full EPSS history (25 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-5226

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 6.0 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2017-5226

OS Trackers for CVE-2017-5226

vendor priority summary link
debian not yet assigned CVE-2017-5226 not yet assigned priority: Debian including 1 source packages (bubblewrap), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2017-5226
suse high CVE-2017-5226 severity important: SUSE including 99 source package names (bubblewrap, bubblewrap-0.11.0-150500.3.9.1, …), 125 product×package rows across 27 product lines (SUSE Linux Enterprise High Performance Computing 12 SP5, SUSE Linux Enterprise High Performance Computing 15-LTSS, … (27 product lines)): Fixed 110, Known Not Affected 15. https://www.suse.com/security/cve/CVE-2017-5226/
ubuntu medium CVE-2017-5226 medium priority: Ubuntu including 1 source packages (bubblewrap), 8 status rows across 8 suites (artful, bionic, precise, trusty, upstream, xenial, yakkety, zesty): DNE 3, ignored 3, not-affected 1, released 1. https://ubuntu.com/security/CVE-2017-5226

Affected software / configurations for CVE-2017-5226

Vendor Product Version Raw CPE
projectatomic bubblewrap <= 0.1.5 cpe:2.3:a:projectatomic:bubblewrap:*:*:*:*:*:*:*:*

References for CVE-2017-5226

cvelogic Threat Intelligence