Low: grep

Issue Overview:

A heap-based buffer overflow flaw was found in the way grep processed certain pattern and text combinations. An attacker able to trick a user into running grep on specially crafted input could use this flaw to crash grep or, potentially, read from uninitialized memory.

Affected Packages:

grep

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

New Packages:

i686:  
    grep-debuginfo-2.20-1.16.amzn1.i686  
    grep-2.20-1.16.amzn1.i686  
  
src:  
    grep-2.20-1.16.amzn1.src  
  
x86_64:  
    grep-debuginfo-2.20-1.16.amzn1.x86_64  
    grep-2.20-1.16.amzn1.x86_64  

Additional References

Red Hat: CVE-2015-1345

Mitre: CVE-2015-1345