CVE-2026-115384: Wasmtime 39.0.0 before 48.0.4 and 49.0.0 before 49.0.2 Stack Buffer Overflow

Overview

Severity
Critical (CVSS 9.9)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Oct
Released
2026-10-25
Last Updated
2026-10-26
EPSS Score
0.31% (percentile: 23.8%)

Affected Products (4)

Other

  • 21767-17084
  • 21789-17084
  • 21840-17084
  • 21918-17084

Revision History

  • 2026-10-25: Information published.
  • 2026-10-26: Information published.