{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-107446", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-10-08T03:37:18.693Z", "datePublished": "2026-10-08T03:37:19.484Z", "dateUpdated": "2026-10-08T03:37:19.484Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unknown", "product": "overlaybd", "repo": "https://github.com/containerd/overlaybd", "vendor": "containerd", "versions": [ { "lessThanOrEqual": "1.0.18", "status": "affected", "version": "0", "versionType": "semver" } ] } ], "descriptions": [ { "lang": "en", "value": "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." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-190", "description": "CWE-190 Integer Overflow or Wraparound", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-10-08T03:37:19.484Z" }, "references": [ { "url": "https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/overlaybd/lsmt/file.cpp" }, { "url": "https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/image_file.cpp" }, { "url": "https://github.com/containerd/overlaybd/pull/438" }, { "url": "https://github.com/containerd/overlaybd/commit/a536e3341c82517268b5ce32375b36faecb1fb40" }, { "url": "https://github.com/containerd/overlaybd/commit/d80c1790920a17e84da025675530624aee753f1b" } ], "x_generator": { "engine": "CVE-Request-form 0.0.1" } } } }