Read the docs
TI-2020-18349 Aliases CVE-2020-35906GHSA-r93v-9p5q-vhpf

An issue was discovered in the futures-task crate before 0.3.6 for Rust.

Priority LOW 35CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-416 and the CVSS impact.

Summary

An issue was discovered in the futures-task crate before 0.3.6 for Rust. futures_task::waker may cause a use-after-free in a non-static type situation.

Why it matters now

EPSS 0.00499 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed futures-task (crates.io): 0.3.6

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—futures-task (crates.io)0.2.1 to before 0.3.60.3.6Patch availableGHSA-r93v-9p5q-vhpf
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • futures-task (crates.io) Vendor— Affected 0.2.1 to before 0.3.6 Fixed in 0.3.6 Patch available GHSA-r93v-9p5q-vhpf

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rust-lang:futures-task:*:*:*:*:*:rust:*:*0.2.1 to before 0.3.6Vulnerablerust-lang
  • cpe:2.3:a:rust-lang:futures-task:*:*:*:*:*:rust:*:* Versions 0.2.1 to before 0.3.6 Vulnerable ·rust-lang

Remediation

  • Fix · GHSA-r93v-9p5q-vhpf futures-task (crates.io) Fixed in 0.3.6 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-35906
  2. 2026-10-03 Alias added: GHSA-r93v-9p5q-vhpf

References

Exploit 1

Advisory 1

Other 2

  • TI-2020-18350 An issue was discovered in the futures-task crate before 0.3.5 for Rust. CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences