QID 356585

Date Published: 2023-11-09

QID 356585: Amazon Linux Security Advisory for libxml2 : ALAS2-2023-2321

Libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails.
This occurs in xmlunlinknode in tree.c.
Note: the vendor's position is "i don't think these issues are critical enough to warrant a( CVE id ... because an attacker typically can't control when memory allocations fail." (
( CVE-2023-45322)



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: ALAS2-2023-2321 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 356585

    CVE-2023-45322 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-2321 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-2321.html
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