# [Critical] Photon OS Security Update   
## Summary   
Advisory ID : PHSA-2021-1.0-0383    
Type : Security   
Severity : ['Critical', 'Important']    
Issued on : 2021-04-21   
Affected Versions : Photon OS 1.0    
   
## Details   
An update of {'nettle', 'rpm'} packages of Photon OS has been released.   
   
## Affected Packages:    
### Critical    
nettle - ['[CVE-2021-20305](https://nvd.nist.gov/vuln/detail/CVE-2021-20305)']    
### Important    
rpm - ['[CVE-2021-20271](https://nvd.nist.gov/vuln/detail/CVE-2021-20271)']    
   
## Solution     
Update the affected packages (tdnf update _package_)     
## Updated Packages Information    
nettle-3.7.2-1.ph1.x86_64.rpm , sha256 : b3bff30989ef7b47afd31fc540d9a58f5f8820a5a730e816ab821cbf61fd993b , size : 385K , build_date : Tue, 20 Apr 2021 17:39:30 UTC    
nettle-devel-3.7.2-1.ph1.x86_64.rpm , sha256 : 7f9b8ef13d71974e5ad4ee35bfd7f304a3ae5331a990fdf8441143546cac59b6 , size : 433K , build_date : Tue, 20 Apr 2021 17:39:30 UTC    
python-rpm-4.13.0.2-4.ph1.x86_64.rpm , sha256 : a792830085ed46fc0386c73ced482a6c49cda4a94c35d4fe77ae85df620a7bf2 , size : 66K , build_date : Tue, 20 Apr 2021 17:37:46 UTC    
python3-rpm-4.13.0.2-4.ph1.x86_64.rpm , sha256 : 180dd1f4d34ab6fcb33345297b89ec26bdb294b9b7936bccef12959d0e6da427 , size : 67K , build_date : Tue, 20 Apr 2021 17:37:46 UTC    
rpm-4.13.0.2-4.ph1.x86_64.rpm , sha256 : ef7ca8278d0d486d6367e9dfe9f50dcb72261cd26a48a9d6009888a9674c5c11 , size : 1.8M , build_date : Tue, 20 Apr 2021 17:37:46 UTC    
rpm-build-4.13.0.2-4.ph1.x86_64.rpm , sha256 : daf5d9e8875b8343fc0d66e717c558ecb5c756b976a3a6267623e073549ab280 , size : 59K , build_date : Tue, 20 Apr 2021 17:37:46 UTC    
rpm-devel-4.13.0.2-4.ph1.x86_64.rpm , sha256 : 1e002e662cd59e138710fc6bcfa7e05d9ec942c8399889a1f2c6a14e3f5f7868 , size : 81K , build_date : Tue, 20 Apr 2021 17:37:46 UTC