Allocation of Resources Without Limits or Throttling Affecting incus package, versions <6.0.4-2+deb13u7


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.27% (19th percentile)

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  • Snyk IDSNYK-ECHOLATEST-INCUS-18496055
  • published1 Aug 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-41648  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade Echo:latest incus to version 6.0.4-2+deb13u7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream incus package and not the incus package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

Incus is a system container and virtual machine manager. Prior to version 7.0.0, user provided image and backup tarballs would be unpacked and YAML files parsed without any size restrictions. This was making it easy for an authenticated user to provide a crafted image or backup tarball that when parsed by Incus would lead to a very large YAML document being loaded into memory, potentially causing the entire server to run out of memory. This issue has been patched in version 7.0.0.

CVSS Base Scores

version 3.1