QID 356563

Date Published: 2023-11-09

QID 356563: Amazon Linux Security Advisory for zlib : ALAS2-2023-2320

Minizip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in zipopennewfileinzip4_64 via a long filename, comment, or extra field.
Note: minizip is not a supported part of the zlib product. (
( CVE-2023-45853)



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 Critical - 9.8 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
  • Solution
    Please refer to Amazon advisory: ALAS2-2023-2320 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 356563

    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-2320 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-2320.html