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Ubuntu 19.04-18.04 LTS Advisory: NSS Denial of Service Risk

ubuntu
Calendar Grey December 9, 2019
Dist Ubuntu Esm H88
Security flaws in NSS on Ubuntu could lead to system downtimes when processing specially designed certificates. Patches are available for multiple versions.
NSS could be made to crash if it received a specially crafted certificate.

Summary

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu NSS certificate issue

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04: libnss3 2:3.42-1ubuntu2.4 Ubuntu 18.04 LTS: libnss3 2:3.35-2ubuntu2.6 Ubuntu 16.04 LTS: libnss3 2:3.28.4-0ubuntu0.16.04.9 Ubuntu 14.04 ESM: libnss3 2:3.28.4-0ubuntu0.14.04.5+esm3 Ubuntu 12.04 ESM: libnss3 2:3.28.4-0ubuntu0.12.04.6 After a standard system update you need to reboot your computer to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4215-1

CVE-2019-17007

Severity
important
Lowest
Low
Medium
High
Critical

December 09, 2019

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu NSS certificate issue

Package Information

https://launchpad.net/ubuntu/+source/nss/2:3.42-1ubuntu2.4 https://launchpad.net/ubuntu/+source/nss/2:3.35-2ubuntu2.6 https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.16.04.9

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