Medium: libxml2

Issue Overview:

A flaw was found in the libxml2 library in functions used to manipulate the xmlBuf and the xmlBuffer types. A substantial input causes values to calculate buffer sizes to overflow, resulting in an out-of-bounds write. (CVE-2022-29824)

Affected Packages:

libxml2

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 libxml2 to update your system.

New Packages:

aarch64:  
    libxml2-2.9.1-6.amzn2.5.6.aarch64  
    libxml2-devel-2.9.1-6.amzn2.5.6.aarch64  
    libxml2-static-2.9.1-6.amzn2.5.6.aarch64  
    libxml2-python-2.9.1-6.amzn2.5.6.aarch64  
    libxml2-debuginfo-2.9.1-6.amzn2.5.6.aarch64  
  
i686:  
    libxml2-2.9.1-6.amzn2.5.6.i686  
    libxml2-devel-2.9.1-6.amzn2.5.6.i686  
    libxml2-static-2.9.1-6.amzn2.5.6.i686  
    libxml2-python-2.9.1-6.amzn2.5.6.i686  
    libxml2-debuginfo-2.9.1-6.amzn2.5.6.i686  
  
src:  
    libxml2-2.9.1-6.amzn2.5.6.src  
  
x86_64:  
    libxml2-2.9.1-6.amzn2.5.6.x86_64  
    libxml2-devel-2.9.1-6.amzn2.5.6.x86_64  
    libxml2-static-2.9.1-6.amzn2.5.6.x86_64  
    libxml2-python-2.9.1-6.amzn2.5.6.x86_64  
    libxml2-debuginfo-2.9.1-6.amzn2.5.6.x86_64  

Additional References

Red Hat: CVE-2022-29824

Mitre: CVE-2022-29824