QID 352501

Date Published: 2021-08-11

QID 352501: Amazon Linux Security Advisory for xstream: ALAS2-2021-1698

A flaw was found in xstream.
By manipulating the processed input stream, a remote attacker may be able to obtain sufficient rights to execute commands.
The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (
( CVE-2021-29505)



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.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

  • CVSS V3 rated as Critical - 8.8 severity.
  • CVSS V2 rated as High - 6.5 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2021-1698 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 352501

    CVE-2021-29505 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2021-1698 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2021-1698.html
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