CVE-2026-17113 Cri-o: cri-o: unvalidated image env var causes daemon crash

A flaw was found in CRI-O's container-creation environment-variable handling mergeEnvs in server/utils.go, consumed by setupContainerEnvironmentAndWorkdir in server/containercreate.go. When a CreateContainer request supplies a nil CRI Envs field, CRI-O falls back to using the target OCI image's...