What’s Vulnerable › Vulnerabilities

CVE-2021-45701

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-27 · updated 2026-06-17
• Weakness: CWE-416

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.

Affected products

• Linuxfoundation Tremor-Script: from 0.7.2 before 0.11.6 — fixed in 0.11.6

How to fix

Upgrade to a fixed version: Linuxfoundation Tremor-Script 0.11.6. Check the vendor advisory for mitigations.

References

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

Get alerted when CVE-2021-45701 or the next vulnerability affects your stack