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Ubuntu 21.10 USN-5111-1 Critical: StrongSwan Denial of Service

ubuntu
Calendar Grey October 19, 2021
Dist Ubuntu Esm H88
An urgent update for Ubuntu 21.10 addressing vulnerabilities in strongSwan that may lead to possible denial of service threats.
Several security issues were fixed in strongSwan.

Summary

Topics%20covered

Topics Covered

security advisory denial of service critical issue Ubuntu strongSwan

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: libstrongswan 5.9.1-1ubuntu3.1 strongswan 5.9.1-1ubuntu3.1 Ubuntu 21.04: libstrongswan 5.9.1-1ubuntu1.2 strongswan 5.9.1-1ubuntu1.2 Ubuntu 20.04 LTS: libstrongswan 5.8.2-1ubuntu3.3 strongswan 5.8.2-1ubuntu3.3 Ubuntu 18.04 LTS: libstrongswan 5.6.2-1ubuntu2.7 strongswan 5.6.2-1ubuntu2.7 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5111-1

CVE-2021-41990, CVE-2021-41991

Severity
critical
Lowest
Low
Medium
High
Critical

October 19, 2021

Topics%20covered

Topics Covered

security advisory denial of service critical issue Ubuntu strongSwan

Package Information

https://launchpad.net/ubuntu/+source/strongswan/5.9.1-1ubuntu3.1 https://launchpad.net/ubuntu/+source/strongswan/5.9.1-1ubuntu1.2 https://launchpad.net/ubuntu/+source/strongswan/5.8.2-1ubuntu3.3 https://launchpad.net/ubuntu/+source/strongswan/5.6.2-1ubuntu2.7

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