Security update for kubernetes1.18

This update for kubernetes1.18 fixes the following issues: Update to version 1.18.20: CVE-2021-3121: Fixed a lack of certain index validation in plugin/unmarshal/unmarshal.go. bsc1182185 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST...

CVE-2021-3121: Improper Validation of Array Index

An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the "skippy peanut butter" issue...