QID 355053

Date Published: 2023-05-18

QID 355053: Amazon Linux Security Advisory for expat : AL2012-2022-377

Package updates are available for Amazon Linux that fix the following vulnerabilities:
CVE-2022-43680:
A use-after-free flaw was found in the Expat package, caused by destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations. This may lead to availability disruptions. 2140059: CVE-2022-43680 expat: use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
  • Solution
    Administrators are advised to apply the appropriate software updates.
    Vendor References

    CVEs related to QID 355053

    Software Advisories
    Advisory ID Software Component Link
    AL2012-2022-377 Amazon Linux Bare Metal URL Logo docs.aws.amazon.com/AWSEC2/latest/UserGuide/install-updates.html