{"id":"CVE-2026-107446","published":"2026-10-08T04:17:19.410","lastModified":"2026-10-08T21:33:42.423","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.","cvssScore":6.8,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","cwes":["CWE-190"],"vendors":[],"products":[],"references":[{"url":"https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/image_file.cpp","tags":[]},{"url":"https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/overlaybd/lsmt/file.cpp","tags":[]},{"url":"https://github.com/containerd/overlaybd/commit/a536e3341c82517268b5ce32375b36faecb1fb40","tags":[]},{"url":"https://github.com/containerd/overlaybd/commit/d80c1790920a17e84da025675530624aee753f1b","tags":[]},{"url":"https://github.com/containerd/overlaybd/pull/438","tags":[]}],"exploitRefs":[{"url":"https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/image_file.cpp","tags":[]},{"url":"https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/overlaybd/lsmt/file.cpp","tags":[]},{"url":"https://github.com/containerd/overlaybd/commit/a536e3341c82517268b5ce32375b36faecb1fb40","tags":[]},{"url":"https://github.com/containerd/overlaybd/commit/d80c1790920a17e84da025675530624aee753f1b","tags":[]},{"url":"https://github.com/containerd/overlaybd/pull/438","tags":[]}],"hasPoc":true,"ai":null}