QID 354799

Date Published: 2023-03-08

QID 354799: Amazon Linux Security Advisory for protobuf : ALAS2-2023-1973

A parsing vulnerability for the messageset type in the protocolbuffers versions prior to and including 3.16.1, 3.17.3, 3.18.2, 3.19.4, 3.20.1 and 3.21.5 for protobuf-cpp, and versions prior to and including 3.16.1, 3.17.3, 3.18.2, 3.19.4, 3.20.1 and 4.21.5 for protobuf-python can lead to out of memory failures.
A specially crafted message with multiple key-value per elements creates parsing issues, and can lead to a denial of service against services receiving unsanitized input.
We recommend upgrading to versions 3.18.3, 3.19.5, 3.20.2, 3.21.6 for protobuf-cpp and 3.18.3, 3.19.5, 3.20.2, 4.21.6 for protobuf-python.
Versions for 3.16 and 3.17 are no longer updated. (
( CVE-2022-1941)



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 - 7.5 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2023-1973 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 354799

    CVE-2022-1941 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-1973 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-1973.html
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