CVE-2020-27174

CVE-2020-27174 affects Amazon Firecracker runtimes: before 0.21.3 and before 0.22.1 (0.22.x) the serial console buffer can grow without limit when data is sent to standard input, causing a memory leak in the microVM emulation thread that may consume host memory. Impact is memory growth (not a cor...

CVE-2026-1386

The CVE-2026-1386 issue affects Firecracker’s jailer component. A local user who has write access to pre-created jailer directories could abuse a UNIX symlink vulnerability during jailer startup to overwrite arbitrary host files when the jailer runs with root privileges. Affected versions include...