QID 355884

QID 355884: Amazon Linux Security Advisory for runc : ALAS2023-2023-311

The http/1 client does not fully validate the contents of the host header.
A maliciously crafted host header can inject additional headers or entire requests.
With fix, the http/1 client now refuses to send requests containing an invalid request.
Host or request.
Url.host value. (
( CVE-2023-29406)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 6.5 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
  • Solution
    Please refer to Amazon advisory: ALAS2023-2023-311 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 355884

    Software Advisories
    Advisory ID Software Component Link
    ALAS2023-2023-311 amazon linux 2023 URL Logo alas.aws.amazon.com/AL2023/ALAS-2023-311.html