Search/CVE-2019-12439
● CVE — High

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 XDG_RUNTIME_DIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.

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CVSS v3.1
7.4 HIGH
EPSS
0.57%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
2
sources referencing this CVE
EPSS Trend
Aug 16, 2026 → Sep 21, 2026
▲ 0.08pp
0.49% → 0.57% over 8 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityHIGH
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Connections
4 relationships
Timeline
disclosure → media coverage
May 29, 2019
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024
Sep 17, 2026
ubuntu.com reports: USN-8779-1: Bubblewrap vulnerabilities
Sep 17, 2026
ubuntu.com reports: USN-8779-2: Bubblewrap regression