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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…
- 7.4HighCVSS base score
- 0.58%Exploitation in 30 daysEPSS · top 52% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| mitreCNA (assigner) | 3.0 | High7.4 | CVSS:3.0/AC:H/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N |
| NVDNVD · Modified | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.58% · top 52% of all CVEs (11 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.4.
Affected products
n/a
- affected n/a
References
References8
- https://github.com/projectatomic/bubblewrap/issues/304 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/projectatomic/bubblewrap/commit/efc89e3b939b4bde42c10f065f6b7b02958ed50e (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1695963 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/projectatomic/bubblewrap/releases/tag/v0.3.3 (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2019:1535 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2019:1721 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2019:1833 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- GLSA-202006-18 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-4048 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-12439)Record last updated .