RUSTSEC-2026-0376

    Dashboard / Vulnerabilities / RUSTSEC-2026-0376

    RUSTSEC-2026-0376

    Published: 19 Oct 2026Last Modified: 4 Nov 2026

    Summary: `wasi-http`: Guests can add conflicting content lengths to messages

    Details: This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-r8xh-cgf7-392j For more information see the GitHub-hosted security advisory.

    References: https://crates.io/crates/wasmtime-wasi-http, https://rustsec.org/advisories/RUSTSEC-2026-0376.html, https://github.com/bytecodealliance/wasmtime/pull/14824

    Affected packages

    Package

    Name: wasmtime-wasi-http

    Purl: pkg:cargo/wasmtime-wasi-http

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0.0.0-0
    Fixed -36.0.19

    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-2026-0376 | CVE-DB