{"id":"CVE-2026-107446","revision":"c35324664865451da1ea6108baa50423","records":[{"revision":"c35324664865451da1ea6108baa50423","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-107446","aliases":[],"title":"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 over…","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.","state":0,"publishedAt":"2026-10-08T03:37:19.484+00:00","modifiedAt":"2026-10-08T17:55:50.535+00:00","affected":[{"ecosystem":"Vendor product","name":"overlaybd","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unknown\",\n                    \"product\": \"overlaybd\",\n                    \"repo\": \"https://github.com/containerd/overlaybd\",\n                    \"vendor\": \"containerd\",\n                    \"versions\": [\n                        {\n                            \"lessThanOrEqual\": \"1.0.18\",\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","score":6.8,"severity":"MEDIUM"}],"references":["https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/overlaybd/lsmt/file.cpp","https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/image_file.cpp","https://github.com/containerd/overlaybd/pull/438","https://github.com/containerd/overlaybd/commit/a536e3341c82517268b5ce32375b36faecb1fb40","https://github.com/containerd/overlaybd/commit/d80c1790920a17e84da025675530624aee753f1b"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-107446","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-107446","identifiers":["CVE-2026-107446"]},"retained":false,"historicalAffected":[]}],"coverage":[]}