Medium: expat

Issue Overview:

Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function. (CVE-2022-23990)

A flaw was found in expat. A stack exhaustion in doctype parsing could be triggered by a file with a large number of opening braces, resulting in a denial of service. (CVE-2022-25313)

Affected Packages:

expat

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update expat to update your system.

New Packages:

aarch64:  
    expat-2.1.0-15.amzn2.0.3.aarch64  
    expat-devel-2.1.0-15.amzn2.0.3.aarch64  
    expat-static-2.1.0-15.amzn2.0.3.aarch64  
    expat-debuginfo-2.1.0-15.amzn2.0.3.aarch64  
  
i686:  
    expat-2.1.0-15.amzn2.0.3.i686  
    expat-devel-2.1.0-15.amzn2.0.3.i686  
    expat-static-2.1.0-15.amzn2.0.3.i686  
    expat-debuginfo-2.1.0-15.amzn2.0.3.i686  
  
src:  
    expat-2.1.0-15.amzn2.0.3.src  
  
x86_64:  
    expat-2.1.0-15.amzn2.0.3.x86_64  
    expat-devel-2.1.0-15.amzn2.0.3.x86_64  
    expat-static-2.1.0-15.amzn2.0.3.x86_64  
    expat-debuginfo-2.1.0-15.amzn2.0.3.x86_64  

Additional References

Red Hat: CVE-2022-23990, CVE-2022-25313

Mitre: CVE-2022-23990, CVE-2022-25313