CVE-2026-122192 - Guest Access to Firecracker Process Memory After a Failed Memory Discard

Bulletin ID: 2026-169-AWS Publication Date: 11/04/2026 11:30 AM PST Description: We identified CVE-2026-122192, an issue in Firecracker v0.23.0 through v1.16.1 that, under certain host memory conditions, can let a root user in a guest read or modify memory of the Firecracker process. It affects VMs restored from a snapshot using the File memory backend with a balloon or virtio-mem device. Impacted versions: Firecrack…

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Cisco Security Advisories

Vulnerabilities in Node.js and Brotli Affecting Cisco Products: October 2026

On October 21, 2026, Node.js announced the availability of fixes for multiple vulnerabilities across the following supported release lines: 22.x, 24.x, and 26.x. These vulnerabilities impact critical operations such as the Brotli decoder, DNS resolution, and TLS certificate validation. The vulnerabilities pose risks for remote code execution and traffic interception. For more information, see Node.js Security Release…