Medium: libxml2

Issue Overview:

Xmlsoft Libxml2 v2.11.0 was discovered to contain a global buffer overflow via the xmlSAX2StartElement() function at /libxml2/SAX2.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted XML file. (CVE-2023-39615)

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.amzn2.5.11.aarch64  
    libxml2-devel-2.9.1-6.amzn2.5.11.aarch64  
    libxml2-static-2.9.1-6.amzn2.5.11.aarch64  
    libxml2-python-2.9.1-6.amzn2.5.11.aarch64  
    libxml2-debuginfo-2.9.1-6.amzn2.5.11.aarch64  
  
i686:  
    libxml2-2.9.1-6.amzn2.5.11.i686  
    libxml2-devel-2.9.1-6.amzn2.5.11.i686  
    libxml2-static-2.9.1-6.amzn2.5.11.i686  
    libxml2-python-2.9.1-6.amzn2.5.11.i686  
    libxml2-debuginfo-2.9.1-6.amzn2.5.11.i686  
  
src:  
    libxml2-2.9.1-6.amzn2.5.11.src  
  
x86_64:  
    libxml2-2.9.1-6.amzn2.5.11.x86_64  
    libxml2-devel-2.9.1-6.amzn2.5.11.x86_64  
    libxml2-static-2.9.1-6.amzn2.5.11.x86_64  
    libxml2-python-2.9.1-6.amzn2.5.11.x86_64  
    libxml2-debuginfo-2.9.1-6.amzn2.5.11.x86_64  

Additional References

Red Hat: CVE-2023-39615

Mitre: CVE-2023-39615