PatchTheCVECVE-2020-35889: An issue was discovered in the crayon crate through 2020-08-31 for Rust
CVE-2020-35889 is a high-severity flaw (CVSS 8.1) affecting crayon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue was discovered in the crayon crate through 2020-08-31 for Rust. A TOCTOU issue has a resultant memory safety violation via HandleLike.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.9% (top 41%) |
| CISA exploited list | No |
| Weakness | CWE-367 |
| Published | 2020-12-31 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-35889?
crayon: upgrade to newer than 0.7.0. Exact commands for each OS are on this page.
Is CVE-2020-35889 being exploited?
CVE-2020-35889 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-35889 affect?
CVE-2020-35889 affects crayon. Severity is high (CVSS 8.1). An issue was discovered in the crayon crate through 2020-08-31 for Rust. A TOCTOU issue has a resultant memory safety violation via HandleLike.
How urgent is CVE-2020-35889?
Priority 48/100. High severity; Remotely exploitable, no login, no user action