UBUNTU-CVE-2026-73051

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Source
https://ubuntu.com/security/CVE-2026-73051
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-73051.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-73051
Upstream
Published
2026-08-17T00:00:00Z
Modified
2026-08-17T12:35:08.437340707Z
Severity
  • 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

actix-http versions before 3.12.1 contain an HTTP request smuggling vulnerability in the HTTP/1.1 parser that accepts requests with both Content-Length and Transfer-Encoding: chunked headers. Unauthenticated remote attackers can exploit this through a front-end intermediary to desynchronize backend requests and smuggle malicious HTTP requests to the Actix service.

References

Affected packages

Ubuntu:26.04:LTS / rust-actix-http

Package

Name
rust-actix-http
Purl
pkg:deb/ubuntu/rust-actix-http?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.9.0-3
3.11.2-1
3.11.2-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "librust-actix-http-dev",
            "binary_version": "3.11.2-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-73051.json"