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Ubuntu 21.10: USN-5169-1 Critical: OpenSSL Security Vulnerability Alert

ubuntu
Calendar Grey December 1, 2021
Dist Ubuntu Esm H88
The NSS library in Ubuntu might become unstable or execute applications due to specially designed signatures. It's essential to perform system updates to maintain security and reliability.
NSS could be made to crash or run programs if it verified a specially crafted signature.

Summary

Topics%20covered

Topics Covered

security advisory denial of service software update ubuntu nss

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: libnss3 2:3.68-1ubuntu1.1 Ubuntu 21.04: libnss3 2:3.61-1ubuntu2.1 Ubuntu 20.04 LTS: libnss3 2:3.49.1-1ubuntu1.6 Ubuntu 18.04 LTS: libnss3 2:3.35-2ubuntu2.13 After a standard system update you need to restart any applications that use NSS, such as Evolution, to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5168-1

CVE-2021-43527

Severity
critical
Lowest
Low
Medium
High
Critical

December 01, 2021

Topics%20covered

Topics Covered

security advisory denial of service software update ubuntu nss

Package Information

https://launchpad.net/ubuntu/+source/nss/2:3.68-1ubuntu1.1 https://launchpad.net/ubuntu/+source/nss/2:3.61-1ubuntu2.1 https://launchpad.net/ubuntu/+source/nss/2:3.49.1-1ubuntu1.6 https://launchpad.net/ubuntu/+source/nss/2:3.35-2ubuntu2.13

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