Integer Overflow or Wraparound Affecting wasmtime package, versions >=30.0.0 <36.0.8>=37.0.0 <43.0.2>=44.0.0 <44.0.1


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-RUST-WASMTIME-16345717
  • published3 May 2026
  • disclosed30 Apr 2026
  • creditUnknown

Introduced: 30 Apr 2026

NewCVE-2026-44216  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade wasmtime to version 36.0.8, 43.0.2, 44.0.1 or higher.

Overview

Affected versions of this package are vulnerable to Integer Overflow or Wraparound when allocating a table that exceeds the size of the host's address space. An attacker can cause a panic and potentially terminate the process by providing crafted input that triggers excessive memory allocation.

CVSS Base Scores

version 4.0
version 3.1