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VULNERABILITIES

CVE-2026-107446 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.8 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/image_file.cpp [email protected]
https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/overlaybd/lsmt/file.cpp [email protected]
https://github.com/containerd/overlaybd/commit/a536e3341c82517268b5ce32375b36faecb1fb40 [email protected]
https://github.com/containerd/overlaybd/commit/d80c1790920a17e84da025675530624aee753f1b [email protected]
https://github.com/containerd/overlaybd/pull/438 [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-190Integer Overflow or Wraparound[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-107446
NVD Published Date:
Oct 8, 2026
NVD Last Modified:
Oct 8, 2026
Source:
[email protected]