PatchTheCVEfirecracker vulnerabilities and fixes
Recent CVEs affecting firecracker, with upgrade or downgrade steps. 1 tracked.
firecracker has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-04-08. Highest priority: CVE-2026-5747 (score 36/100).
- CVE-2026-5747 HIGH 7.5 UPGRADE An out-of-bounds write issue in the virtio PCI transport in Firecracker 1.13.0 through 1.14.3 and 1.15.0 on x8
FAQ
How do I fix firecracker vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is firecracker being exploited right now?
None of the tracked firecracker CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which firecracker CVE should I patch first?
CVE-2026-5747 currently ranks highest (36/100): An out-of-bounds write issue in the virtio PCI transport in Firecracker 1.13.0 through 1.14.3 and 1.15.0 on x8.