{"schema":"threatline.record/2","record":{"id":"CVE-2026-107446","aliases":[],"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 ","details":"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.","categories":["Containers & cloud"],"product":"overlaybd","vendor":"containerd","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-107446","source_modified_at":"2026-10-08T17:55:50.535Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"overlaybd","vendor":"containerd","versions":[{"lessThanOrEqual":"1.0.18","status":"affected","version":"0","versionType":"semver"}],"defaultStatus":"unknown"}],"fixed_versions":[],"cvss":6.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00407,"percentile":0.3388,"score_date":"2026-10-23"},"published_at":"2026-10-08T03:37:19.484Z","modified_at":"2026-10-08T17:55:50.535Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-107446","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-08T17:55:50.535Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-107446","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/overlaybd/lsmt/file.cpp"},{"source":"CVE List","url":"https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/image_file.cpp"},{"source":"CVE List","url":"https://github.com/containerd/overlaybd/pull/438"},{"source":"CVE List","url":"https://github.com/containerd/overlaybd/commit/a536e3341c82517268b5ce32375b36faecb1fb40"},{"source":"CVE List","url":"https://github.com/containerd/overlaybd/commit/d80c1790920a17e84da025675530624aee753f1b"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-08T17:55:14.597721Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-08T17:55:50.535Z","content_hash":"b01f9d278521e06d9723eac3d6de3401c110ab810082e473550bdb99b97d3fee"}}