Is there a public exploit for CVE-2019-12439?

No public exploit for CVE-2019-12439 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2019-12439?

CVE-2019-12439 scores CVSS 7.4 (v3.0), rated high. EPSS puts the chance of exploitation in the next 30 days at 0.58%.

What does CVE-2019-12439 affect?

CVE-2019-12439 affects n/a n/a.

7.4 High

bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point.

CVE-2019-12439

bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point. In some particular configurations (related to XDGRUNTIMEDIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.

Assessment

CVSS: 7.4 (v3.0)
Severity: High
EPSS: 0.58% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 29 May 2019
Last updated: 2 November 2026
Affected: n/a · n/a
Assigner: mitre

CVSS vectorCVSS:3.0/AC:H/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N

At the source

EUVD (ENISA)

References

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