CVE-2019-18960
CRITICALCVSS 9.8/10EPSS 3.25%
Last modified
CVE-2019-18960 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Firecracker vsock implementation buffer overflow in versions 0.18.0 and 0.19.0. This can result in potentially exploitable crashes.. EPSS estimates a 3.25% chance of exploitation in the next 30 days.
Description
Firecracker vsock implementation buffer overflow in versions 0.18.0 and 0.19.0. This can result in potentially exploitable crashes.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Amazon | Firecracker | 0.18.0 |
| Amazon | Firecracker | 0.19.0 |
References
- http://www.openwall.com/lists/oss-security/2019/12/10/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/11/2Mailing List, Third Party Advisory
- https://github.com/firecracker-microvm/firecracker/issues/1462Third Party Advisory
- https://github.com/firecracker-microvm/firecracker/releasesRelease Notes, Third Party Advisory
- https://github.com/firecracker-microvm/firecracker/releases/tag/v0.18.1Release Notes, Third Party Advisory
- https://github.com/firecracker-microvm/firecracker/releases/tag/v0.19.1Release Notes, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/12/10/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/11/2Mailing List, Third Party Advisory
- https://github.com/firecracker-microvm/firecracker/issues/1462Third Party Advisory
- https://github.com/firecracker-microvm/firecracker/releasesRelease Notes, Third Party Advisory
- https://github.com/firecracker-microvm/firecracker/releases/tag/v0.18.1Release Notes, Third Party Advisory
- https://github.com/firecracker-microvm/firecracker/releases/tag/v0.19.1Release Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-18960?
Firecracker vsock implementation buffer overflow in versions 0.18.0 and 0.19.0. This can result in potentially exploitable crashes.
How severe is CVE-2019-18960?
CVE-2019-18960 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.25% probability of exploitation in the next 30 days.
How do I fix CVE-2019-18960?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-18960?
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Scan your code nowSource: NVD / NIST