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1744

Security Alert

● Critical

● High

● Medium

● Low

Warning Date

Severity Level

Warning Number

Target Sector

9 September, 2021

● High

2021-3488

All

Description:

Ubuntu has released security updates to address several vulnerabilities in the following products:

HAProxy
- Ubuntu 21.04
- Ubuntu 20.04 LTS
GNU cpio
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Open vSwitch
- Ubuntu 21.04
- Ubuntu 20.04 LTS
PySAML2
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
SSSD
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
mod-auth-mellon
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 21.04
GD library
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Linux kernel
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 20.04 LTS

Threats:

Attacker could exploit these vulnerabilities by doing the following:

Best practice and Recommendations:

The CERT team encourages users to review Ubuntu security advisory and apply the necessary updates:

Last updated at 9 September, 2021