RUSTSEC-2026-0421

    Dashboard / Vulnerabilities / RUSTSEC-2026-0421

    RUSTSEC-2026-0421

    Published: 29 Oct 2026Last Modified: 30 Oct 2026

    Summary: wasi-http p2: outgoing content-length can be invalid or not match body

    Details: This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-h4wp-g4x3-7398 For more information see the GitHub-hosted security advisory.

    References: https://crates.io/crates/wasmtime-wasi-http, https://rustsec.org/advisories/RUSTSEC-2026-0421.html, https://github.com/bytecodealliance/wasmtime/pull/15070

    Affected packages

    Package

    Name: wasmtime-wasi-http

    Purl: pkg:cargo/wasmtime-wasi-http

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0.0.0-0
    Fixed -36.0.20

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    RUSTSEC-2026-0421 | CVE-DB