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CVE-2026-107446NVD
Vulnerability Summary
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.
CVSS v3.1 Base Metrics — Score 6.8 (MEDIUM)
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh
Affected & Patched Versions
Not provided by NVD for this CVE.
Not provided by NVD for this CVE.
External References
- https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/image_file.cpp
- https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/overlaybd/lsmt/file.cpp
- https://github.com/containerd/overlaybd/commit/a536e3341c82517268b5ce32375b36faecb1fb40
- https://github.com/containerd/overlaybd/commit/d80c1790920a17e84da025675530624aee753f1b
- https://github.com/containerd/overlaybd/pull/438