CVE-2026-107446

Integer Overflow in LS‑MT Index Loading of containerd overlaybd

Published Oct 8, 2026 CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Containerd
Containerd overlaybd
Vendors & Products Containerd
Containerd overlaybd
Type Values Removed Values Added
Metrics ssvc

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

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 8, 2026, 5:55 PM
Reserved
Oct 8, 2026, 3:37 AM
Status
Awaiting Analysis
Published
Oct 8, 2026, 4:17 AM
Modified
Oct 8, 2026, 9:33 PM