CVE-2026-41648

Description

A flaw was found in Incus. An authenticated user could provide a specially crafted image or backup tarball. When parsed, these files would load excessively large YAML documents into memory due to a lack of size restrictions. This could lead to a denial of service (DoS) by consuming all available server memory.

Statement

Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.

Understanding the Weakness (CWE)

Availability

Technical Impact: DoS: Resource Consumption (CPU); DoS: Resource Consumption (Memory); DoS: Resource Consumption (Other)

When allocating resources without limits, an attacker could prevent other systems, applications, or processes from accessing the same type of resource. It can be easy for an attacker to consume many resources by rapidly making many requests or causing larger resources to be used than is needed.

Frequently Asked Questions

Want to get errata notifications? Sign up here.