UBUNTU-CVE-2020-35863

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Source
https://ubuntu.com/security/CVE-2020-35863
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35863.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-35863
Upstream
Withdrawn
2025-07-18T16:46:15Z
Published
2020-12-31T10:15:00Z
Modified
2025-07-16T07:41:35.361448Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in the hyper crate before 0.12.34 for Rust. HTTP request smuggling can occur. Remote code execution can occur in certain situations with an HTTP server on the loopback interface.

References

Affected packages

Ubuntu:20.04:LTS / rust-hyper

Package

Name
rust-hyper
Purl
pkg:deb/ubuntu/rust-hyper@0.12.35-1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.12.35-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.12.35-1",
            "binary_name": "librust-hyper+default-dev"
        },
        {
            "binary_version": "0.12.35-1",
            "binary_name": "librust-hyper+futures-cpupool-dev"
        },
        {
            "binary_version": "0.12.35-1",
            "binary_name": "librust-hyper+net2-dev"
        },
        {
            "binary_version": "0.12.35-1",
            "binary_name": "librust-hyper+runtime-dev"
        },
        {
            "binary_version": "0.12.35-1",
            "binary_name": "librust-hyper+tokio-dev"
        },
        {
            "binary_version": "0.12.35-1",
            "binary_name": "librust-hyper+tokio-executor-dev"
        },
        {
            "binary_version": "0.12.35-1",
            "binary_name": "librust-hyper+tokio-reactor-dev"
        },
        {
            "binary_version": "0.12.35-1",
            "binary_name": "librust-hyper+tokio-tcp-dev"
        },
        {
            "binary_version": "0.12.35-1",
            "binary_name": "librust-hyper+tokio-threadpool-dev"
        },
        {
            "binary_version": "0.12.35-1",
            "binary_name": "librust-hyper+tokio-timer-dev"
        },
        {
            "binary_version": "0.12.35-1",
            "binary_name": "librust-hyper-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35863.json"