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RUSTSEC-2026-0313

Outgoing HTTP body write allows guest-driven host memory exhaustion

Reported
Issued
Package
wasmtime-wasi-http (crates.io)
Type
Vulnerability
Aliases
References
CVSS Score
6.2 MEDIUM
CVSS Details
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality Impact
None
Integrity Impact
None
Availability Impact
High
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Patched
  • >=36.0.16, <37.0.0
  • >=48.0.3, <49.0.0
  • >=49.0.1

Description

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-c9gc-w9vx-w86p For more information see the GitHub-hosted security advisory.

Advisory available under CC0-1.0 license.