PatchTheCVECVE-2018-20989: An issue was discovered in the untrusted crate before 0.6.2 for Rust
CVE-2018-20989 is a high-severity flaw (CVSS 7.5) affecting untrusted. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue was discovered in the untrusted crate before 0.6.2 for Rust. Error handling can trigger an integer underflow and panic.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.4% (top 27%) |
| CISA exploited list | No |
| Weakness | CWE-191 |
| Published | 2019-08-26 |
| 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-2018-20989?
untrusted: upgrade to 0.6.2. Exact commands for each OS are on this page.
Is CVE-2018-20989 being exploited?
CVE-2018-20989 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-2018-20989 affect?
CVE-2018-20989 affects untrusted. Severity is high (CVSS 7.5). An issue was discovered in the untrusted crate before 0.6.2 for Rust. Error handling can trigger an integer underflow and panic.
How urgent is CVE-2018-20989?
Priority 49/100. High severity; Remotely exploitable, no login, no user action