What’s Vulnerable › Vulnerabilities

CVE-2019-18960

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-11 · updated 2026-06-17
• Weakness: CWE-120

Description

Firecracker vsock implementation buffer overflow in versions 0.18.0 and 0.19.0. This can result in potentially exploitable crashes.

Affected products

• AWS Firecracker: 0.18.0, 0.19.0

References

• http://www.openwall.com/lists/oss-security/2019/12/10/1
• http://www.openwall.com/lists/oss-security/2022/09/11/2
• https://github.com/firecracker-microvm/firecracker/issues/1462
• https://github.com/firecracker-microvm/firecracker/releases
• https://github.com/firecracker-microvm/firecracker/releases/tag/v0.18.1
• https://github.com/firecracker-microvm/firecracker/releases/tag/v0.19.1
• http://www.openwall.com/lists/oss-security/2019/12/10/1
• http://www.openwall.com/lists/oss-security/2022/09/11/2
• https://github.com/firecracker-microvm/firecracker/issues/1462
• https://github.com/firecracker-microvm/firecracker/releases
• https://github.com/firecracker-microvm/firecracker/releases/tag/v0.18.1
• https://github.com/firecracker-microvm/firecracker/releases/tag/v0.19.1

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