Vulnerability · Published Dec 26, 2021 · Assigned by mitre
CVE-2021-45710
High 8.1
In plain English
A high-severity security flaw in the rust-tokio package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.1High
Exploit odds (30 days)1.2%top 30.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in the tokio crate before 1.8.4, and 1.9.x through 1.13.x before 1.13.1, for Rust. In certain circumstances involving a closed oneshot channel, there is a data race and memory corruption.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | rust-tokio | 1.15.0-1 | DEBIAN-CVE-2021-45710 |
| Debian:13 | rust-tokio | 1.15.0-1 | DEBIAN-CVE-2021-45710 |
| Debian:14 | rust-tokio | 1.15.0-1 | DEBIAN-CVE-2021-45710 |
| Ubuntu:22.04:LTS | rust-tokio | no fix listed | UBUNTU-CVE-2021-45710 |
| Ubuntu:24.04:LTS | rust-tokio | no fix listed | UBUNTU-CVE-2021-45710 |
| Ubuntu:25.10 | rust-tokio | no fix listed | UBUNTU-CVE-2021-45710 |
| Ubuntu:26.04:LTS | rust-tokio | no fix listed | UBUNTU-CVE-2021-45710 |
| Ubuntu:26.10 | rust-tokio | no fix listed | UBUNTU-CVE-2021-45710 |