Resource exhaustion in Red Hat Openshift Virtualization 4

CVE-2026-13322

A flaw was found in KubeVirt's downward metrics virtio-serial server. The server reads guest requests using textproto.Reader.ReadLine(), which buffers input indefinitely until a newline character is received, with no length limit or read d…

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-13322?
CVE-2026-13322 is a low-severity vulnerability in Red Hat Openshift Virtualization 4, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 3.8/10. Published 2026-06-26.
How severe is CVE-2026-13322?
Low severity. CVSS v3 base score is 3.8 out of 10.