CVE-2019-12439
7.8
HIGH
CVSS 3.1
EPSS 0.14%
Description
bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point. In some particular configurations (related to XDG_RUNTIME_DIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.
How to fix CVE-2019-12439
To remediate CVE-2019-12439, upgrade the affected package to a fixed version below.
- Debian/bubblewrap—upgrade to 0.3.1-3 or later
Is CVE-2019-12439 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.3.1-3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |