containerd overlaybd through 1.0.18 has a do_load_index (LSMT index loading) integer overflow (and resultant out-of-bounds heap access) for index_bytes, if an untrusted overlaybd blob from a registry is used in a scenario with multiple overlaybd-backed containers.
History

Fri, 09 Oct 2026 09:15:00 +0000

Type Values Removed Values Added
First Time appeared Containerd
Containerd overlaybd
Vendors & Products Containerd
Containerd overlaybd

Thu, 08 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 08 Oct 2026 06:15:00 +0000

Type Values Removed Values Added
Title Integer Overflow in LS‑MT Index Loading of containerd overlaybd

Thu, 08 Oct 2026 04:00:00 +0000

Type Values Removed Values Added
Description containerd overlaybd through 1.0.18 has a do_load_index (LSMT index loading) integer overflow (and resultant out-of-bounds heap access) for index_bytes, if an untrusted overlaybd blob from a registry is used in a scenario with multiple overlaybd-backed containers.
Weaknesses CWE-190
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-10-08T03:37:19.484Z

Updated: 2026-10-08T17:55:50.535Z

Reserved: 2026-10-08T03:37:18.693Z

Link: CVE-2026-107446

cve-icon Vulnrichment

Updated: 2026-10-08T17:55:39.239Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-08T04:17:19.410

Modified: 2026-10-08T21:33:42.423

Link: CVE-2026-107446

cve-icon Redhat

No data.