An issue was discovered in the hyper crate before 0.9.18 for Rust.
Priority LOW 26CWE-93Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.
Summary
An issue was discovered in the hyper crate before 0.9.18 for Rust. It mishandles newlines in headers.
Why it matters now
EPSS 0.01033 63rd percentileScored 2026-11-07
Fix Fixed hyper (crates.io): 0.10.2, 0.9.18
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | hyper (crates.io) | 0.10.0 to before 0.10.2 | 0.10.2 | Patch available | GHSA-q89x-f52w-6hj2 |
| — | hyper (crates.io) | before 0.9.18 | 0.9.18 | Patch available | GHSA-q89x-f52w-6hj2 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- hyper (crates.io) Vendor— Affected 0.10.0 to before 0.10.2 Fixed in 0.10.2 Patch available GHSA-q89x-f52w-6hj2
- hyper (crates.io) Vendor— Affected before 0.9.18 Fixed in 0.9.18 Patch available GHSA-q89x-f52w-6hj2
Remediation
- Fix · GHSA-q89x-f52w-6hj2 hyper (crates.io) Fixed in 0.10.2 Advisory →
- Fix · GHSA-q89x-f52w-6hj2 hyper (crates.io) Fixed in 0.9.18 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2017-18587
- 2026-10-03 Alias added: GHSA-q89x-f52w-6hj2
References
More hyperium Hyper vulnerabilities
- TI-2023-11846 An issue was discovered in hyper v0.13.7. CVSS 3.1HIGH 7.5
- TI-2022-13369 Hyperium Hyper before 0.14.19 does not allow for customization of the… CVSS 3.1HIGH 7.5
- TI-2020-18306 An issue was discovered in the hyper crate before 0.12.34 for Rust. CVSS 3.1CRITICAL 9.8
- TI-2021-04399 Multiple Transfer-Encoding headers misinterprets request payload CVSS 3.1HIGH 8.1
- TI-2021-12382 Integer Overflow in Chunked Transfer-Encoding CVSS 3.1CRITICAL 9.1
- TI-2021-12383 Lenient Parsing of Content-Length Header When Prefixed with Plus Sign CVSS 3.1MEDIUM 5.3
Sources
- CVE-2017-18587 · CVE Program
- CVE-2017-18587 · NVD
- FIRST EPSS
- GHSA-q89x-f52w-6hj2 · GitHub Advisory Database · CC BY 4.0
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