Findings

RUSTSEC-2026-0363

Component-model handle tables are capped only per instance and charged to no limit

Published Oct 14, 2026 · updated Oct 14, 2026

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q554-3cjc-rx7p For more information see the GitHub-hosted security advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2026 · GitHub Advisory Database

    Detected

    This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q554-3cjc-rx7p For more information see the GitHub-hosted security advisory.

  2. Oct 14, 2026 · GitHub Advisory Database

    Fix available

    wasmtime fixed in 36.0.18

  3. Oct 14, 2026 · GitHub Advisory Database

    Fix available

    wasmtime fixed in 36.0.18

  4. Oct 14, 2026 · GitHub Advisory Database

    Updated

    This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q554-3cjc-rx7p For more information see the GitHub-hosted security advisory.

Affected

  • crates.io wasmtime0.0.0-0 → 36.0.18

Sources

  • GitHub Advisory DatabasePackage advisoryGHSA-q554-3cjc-rx7p

    GitHub Advisory Database record mirrored by OSV.

    github.com
  • OSV.devPackage advisoryRUSTSEC-2026-0363

    Component-model handle tables are capped only per instance and charged to no limit

    osv.dev

References

RUSTSEC-2026-0363 · ZeroDay Findings