# [Critical] Photon OS Security Update   
## Summary   
Advisory ID : PHSA-2021-4.0-0060    
Type : Security   
Severity : ['Critical', 'Important']    
Issued on : 2021-07-13   
Affected Versions : Photon OS 4.0    
   
## Details   
An update of {'zeromq', 'rubygem-bundler', 'python3-urllib3'} packages of Photon OS has been released.   
   
## Affected Packages:    
### Critical    
zeromq - ['[CVE-2020-36400](https://nvd.nist.gov/vuln/detail/CVE-2020-36400)']    
### Important    
rubygem-bundler - ['[CVE-2020-36327](https://nvd.nist.gov/vuln/detail/CVE-2020-36327)', '[CVE-2019-3881](https://nvd.nist.gov/vuln/detail/CVE-2019-3881)']    
python3-urllib3 - ['[CVE-2021-33503](https://nvd.nist.gov/vuln/detail/CVE-2021-33503)']    
   
## Solution     
Update the affected packages (tdnf update _package_)     
## Updated Packages Information    
python3-urllib3-1.25.11-2.ph4.noarch.rpm , sha256 : dcef4cbe3820e37a638a44aac4ea7b56ed3560e2da0c189950ae9802034c1b99 , size : 181K , build_date : Sun, 11 Jul 2021 19:51:09 PDT    
rubygem-bundler-2.2.21-1.ph4.x86_64.rpm , sha256 : 3a0ea34ccbc4841538ffda98cb86a613bc51b3d7cfd9338a8f1d35b6fdc36c4d , size : 1.4M , build_date : Sun, 11 Jul 2021 19:51:09 PDT    
zeromq-4.3.4-1.ph4.x86_64.rpm , sha256 : e887f75b581b58d1d68f0f76b8aa9ad7633b29a7745f537f6511ce06affffda1 , size : 960K , build_date : Sun, 11 Jul 2021 19:50:53 PDT    
zeromq-devel-4.3.4-1.ph4.x86_64.rpm , sha256 : b43355e100879ba06840dc9abb196999b75a8ad5439e7bdc81dea872fec86bd6 , size : 165K , build_date : Sun, 11 Jul 2021 19:50:53 PDT