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Rust advisories / eventio

Vulnerability MediumRUSTSEC-2020-0108 · eventio

RUSTSEC-2020-0108: Soundness issue: Input<R> can be misused to create data race to an object

Short answerA security vulnerability in the eventio crate: Soundness issue: Input<R> can be misused to create data race to an object. Medium severity (CVSS 5.9). Fixed in 0.5.1: update to a fixed version.

Crateeventio
TypeVulnerability (memory-corruption, thread-safety)
Affected versionsBefore 0.5.1.
Fixed in0.5.1
SeverityMedium, CVSS 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Published2020-12-20
Last changed2023-11-08
Also known asCVE-2020-36216, GHSA-69vj-xx27-g45w

What to do

  1. See which version you have: cargo tree -i eventio (it also shows which of your dependencies pulls it in).
  2. Update within your version requirement: cargo update -p eventio. If the fix is a newer major or minor than your requirement allows, raise it in Cargo.toml (for example eventio = "0.5.1") or update the dependency that pulls it in.
  3. Check again with cargo audit, or paste your Cargo.lock into our Cargo.toml checker.

Details from the advisory

Input<R> implements Send without requiring R: Send.

Affected versions of this crate allows users to send non-Send types to other threads, which can lead to undefined behavior such as data race and memory corruption.

The flaw was corrected in version 0.5.1 by adding R: Send bound to the Send impl of Input<R>.

References

From the RustSec Advisory Database (CC0-1.0) via the OSV export, downloaded Oct 24, 2026. Severity score computed from the published CVSS vector.

Up next

Are you affected?Check your whole dependency treePaste Cargo.lock: every advisory, for your exact versions.Read it next →

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