CVE-2026-107446

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-107446
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-08 04:17:19 UTC
Updated2026-10-08 21:33:42 UTC
Descriptioncontainerd 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.

Risk And Classification

Primary CVSS: v3.1 6.8 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

EPSS: 0.004070000 probability, percentile 0.329320000 (date 2026-10-09)

Problem Types: CWE-190 | CWE-190 CWE-190 Integer Overflow or Wraparound

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
3.1CNACVSS6.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Containerd Overlaybd affected 1.0.18 semver Not specified

References

ReferenceSourceLinkTags
github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7d... [email protected] github.com
github.com/containerd/overlaybd/pull/438 [email protected] github.com
github.com/containerd/overlaybd/commit/a536e3341c82517268b5ce32375b36fae... [email protected] github.com
github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7d... [email protected] github.com
github.com/containerd/overlaybd/commit/d80c1790920a17e84da025675530624ae... [email protected] github.com
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