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CVE-2019-18960Firecracker vsock implementation buffer overflow in versions 0.18.0 and 0.19.0. This can result in potentially exploitable crashes.
- 9.8CriticalCVSS base score
- 3.3%Exploitation in 30 daysEPSS · top 11% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Firecracker vsock implementation buffer overflow in versions 0.18.0 and 0.19.0. This can result in potentially exploitable crashes.
Timeline
ID reserved
By mitre
- 27 days later
· 27 days later
Published
- 5 years later
· 5 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 |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.3% · top 11% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
n/a
- affected n/a
References
References6
- https://github.com/firecracker-microvm/firecracker/releases (opens in a new tab)x_refsource_MISCx_transferred
- http://www.openwall.com/lists/oss-security/2019/12/10/1 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/firecracker-microvm/firecracker/issues/1462 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/firecracker-microvm/firecracker/releases/tag/v0.19.1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/firecracker-microvm/firecracker/releases/tag/v0.18.1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20220911 Re: CVE-2019-18960: Firecracker v0.18.0 and v0.19.0 vsock buffer overflow (opens in a new tab)mailing-listx_refsource_MLISTx_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-2019-8627 (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-2019-18960)Record last updated .