Important: git

Issue Overview:

An issue was discovered in git where a client can convince upload-pack running on a server to allocate arbitrary amounts of memory, resulting in a possible denial of service.

Affected Packages:

git

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 git to update your system.

New Packages:

aarch64:  
    git-2.40.1-1.amzn2.0.2.aarch64  
    git-core-2.40.1-1.amzn2.0.2.aarch64  
    git-credential-libsecret-2.40.1-1.amzn2.0.2.aarch64  
    git-daemon-2.40.1-1.amzn2.0.2.aarch64  
    git-debuginfo-2.40.1-1.amzn2.0.2.aarch64  
  
i686:  
    git-2.40.1-1.amzn2.0.2.i686  
    git-core-2.40.1-1.amzn2.0.2.i686  
    git-credential-libsecret-2.40.1-1.amzn2.0.2.i686  
    git-daemon-2.40.1-1.amzn2.0.2.i686  
    git-debuginfo-2.40.1-1.amzn2.0.2.i686  
  
noarch:  
    git-all-2.40.1-1.amzn2.0.2.noarch  
    git-core-doc-2.40.1-1.amzn2.0.2.noarch  
    git-cvs-2.40.1-1.amzn2.0.2.noarch  
    git-email-2.40.1-1.amzn2.0.2.noarch  
    gitk-2.40.1-1.amzn2.0.2.noarch  
    gitweb-2.40.1-1.amzn2.0.2.noarch  
    git-gui-2.40.1-1.amzn2.0.2.noarch  
    git-instaweb-2.40.1-1.amzn2.0.2.noarch  
    git-p4-2.40.1-1.amzn2.0.2.noarch  
    perl-Git-2.40.1-1.amzn2.0.2.noarch  
    perl-Git-SVN-2.40.1-1.amzn2.0.2.noarch  
    git-subtree-2.40.1-1.amzn2.0.2.noarch  
    git-svn-2.40.1-1.amzn2.0.2.noarch  
  
src:  
    git-2.40.1-1.amzn2.0.2.src  
  
x86_64:  
    git-2.40.1-1.amzn2.0.2.x86_64  
    git-core-2.40.1-1.amzn2.0.2.x86_64  
    git-credential-libsecret-2.40.1-1.amzn2.0.2.x86_64  
    git-daemon-2.40.1-1.amzn2.0.2.x86_64  
    git-debuginfo-2.40.1-1.amzn2.0.2.x86_64  

Additional References

Red Hat:

Mitre: