hyper Known Vulnerabilities & Fixes
hyper has 3 known security vulnerabilities in crates.io (Rust). Upgrade to version 0.14.10 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 0.14.10
Upgrading to 0.14.10 or later resolves all 3 known vulnerabilities in hyper. Update Cargo.toml: hyper = "0.14.10"
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Check if you're affected and upgrade to 0.14.10 to stay secure.
Security Summary
- 3 affected version ranges have been identified across these 3 advisories.
- 100% of known issues have a published fixed version.
- Remediation: cargo update -p hyper
Vulnerabilities
3 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed Feb 5, 2021, most recently Aug 25, 2021 (201 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2020-35863 HTTP Request Smuggling in hyper | CRITICAL | All versions | 0.12.34 |
| CVE-2021-32714 Integer overflow in `hyper`'s parsing of the `Transfer-Encoding` header leads to data loss | CRITICAL | All versions | 0.14.10 |
| CVE-2021-21299 Multiple Transfer-Encoding headers misinterprets request payload | HIGH | All versions | 0.12.36, 0.13.10, 0.14.3 |
About This Data
Vulnerability data for hyper is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related crates.io (Rust) Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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