CVEvulnerability

CVE-2026-115386

2.1 LOW Published 2026-10-22 Modified 2026-10-23 Official page ↗
Status
Deferred
Published
2026-10-22
Last modified
2026-10-23
Assigner
[email protected]
CVSS 4.0 ([email protected])
2.1 LOW — CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1 ([email protected])
2.6 LOW — CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
Weaknesses
CWE-908

Description

Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information disclosure vulnerability in the WASIp1 fd_readdir implementation that copies uninitialized struct padding into guest memory. Guests with a preopened directory can list entries to receive three bytes of leftover host stack or heap memory per directory entry.

Related

Weakness · CWE (1)

  • CWE-908 Use of Uninitialized Resource weakness

References