CVE-2026-107446CWE-190

CVE-2026-107446

Medium · published October 8, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
33.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00407 · 33.9th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2026-10-08T08:17Z
References (5)
https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/image_file.cpp · [email protected]https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/overlaybd/lsmt/file.cpp · [email protected]https://github.com/containerd/overlaybd/commit/a536e3341c82517268b5ce32375b36faecb1fb40 · [email protected]https://github.com/containerd/overlaybd/commit/d80c1790920a17e84da025675530624aee753f1b · [email protected]https://github.com/containerd/overlaybd/pull/438 · [email protected]
EPSS history
Timeline
  • 09 OCT 03:26Z
    EPSS moved — → 0%
    epss
  • 08 OCT 03:37Z
    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…
    cvelistv5
  • 08 OCT 03:37Z
    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…
    cvelistv5