QID 353196

Date Published: 2022-03-09

QID 353196: Amazon Linux Security Advisory for expat : ALAS2-2022-1759

An integer overflow was found in expat.
The issue occurs in storerawnames() by abusing the m_buffer expansion logic to allow allocations very close to int_max and out-of-bounds heap writes.
This flaw can cause a denial of service or potentially arbitrary code execution. (
( CVE-2022-25315)



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 High - 7.5 severity.
  • Solution
    Please refer to Amazon advisory: ALAS2-2022-1759 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 353196

    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2022-1759 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2022-1759.html