Important: unbound

Issue Overview:

An issue was discovered in some DNS recursive resolvers that allows remote attackers to cause a denial of service using a maliciously designed authority and response amplification. (CVE-2024-33655)

Affected Packages:

unbound

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 unbound to update your system.

New Packages:

aarch64:  
    unbound-1.7.3-15.amzn2.0.8.aarch64  
    unbound-devel-1.7.3-15.amzn2.0.8.aarch64  
    unbound-libs-1.7.3-15.amzn2.0.8.aarch64  
    python2-unbound-1.7.3-15.amzn2.0.8.aarch64  
    python3-unbound-1.7.3-15.amzn2.0.8.aarch64  
    unbound-debuginfo-1.7.3-15.amzn2.0.8.aarch64  
  
i686:  
    unbound-1.7.3-15.amzn2.0.8.i686  
    unbound-devel-1.7.3-15.amzn2.0.8.i686  
    unbound-libs-1.7.3-15.amzn2.0.8.i686  
    python2-unbound-1.7.3-15.amzn2.0.8.i686  
    python3-unbound-1.7.3-15.amzn2.0.8.i686  
    unbound-debuginfo-1.7.3-15.amzn2.0.8.i686  
  
src:  
    unbound-1.7.3-15.amzn2.0.8.src  
  
x86_64:  
    unbound-1.7.3-15.amzn2.0.8.x86_64  
    unbound-devel-1.7.3-15.amzn2.0.8.x86_64  
    unbound-libs-1.7.3-15.amzn2.0.8.x86_64  
    python2-unbound-1.7.3-15.amzn2.0.8.x86_64  
    python3-unbound-1.7.3-15.amzn2.0.8.x86_64  
    unbound-debuginfo-1.7.3-15.amzn2.0.8.x86_64  

Additional References

Red Hat: CVE-2024-33655

Mitre: CVE-2024-33655