Important: mercurial

Issue Overview:

Python debugger accessible to authorized users:
A flaw was found in the way “hg serve --stdio” command in Mercurial handled command-line options. A remote, authenticated attacker could use this flaw to execute arbitrary code on the Mercurial server by using specially crafted command-line options. (CVE-2017-9462)

Affected Packages:

mercurial

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

New Packages:

i686:  
    mercurial-python26-3.7.3-1.28.amzn1.i686  
    mercurial-debuginfo-3.7.3-1.28.amzn1.i686  
    mercurial-common-3.7.3-1.28.amzn1.i686  
    mercurial-python27-3.7.3-1.28.amzn1.i686  
    emacs-mercurial-el-3.7.3-1.28.amzn1.i686  
    emacs-mercurial-3.7.3-1.28.amzn1.i686  
  
src:  
    mercurial-3.7.3-1.28.amzn1.src  
  
x86_64:  
    mercurial-python27-3.7.3-1.28.amzn1.x86_64  
    mercurial-python26-3.7.3-1.28.amzn1.x86_64  
    emacs-mercurial-3.7.3-1.28.amzn1.x86_64  
    mercurial-common-3.7.3-1.28.amzn1.x86_64  
    mercurial-debuginfo-3.7.3-1.28.amzn1.x86_64  
    emacs-mercurial-el-3.7.3-1.28.amzn1.x86_64  

Additional References

Red Hat: CVE-2017-9462

Mitre: CVE-2017-9462