==========================================================================
Ubuntu Security Notice USN-4215-1
December 09, 2019
nss vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 19.04
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
– Ubuntu 14.04 ESM
– Ubuntu 12.04 ESM
Summary:
NSS could be made to crash if it received a specially crafted certificate.
Software Description:
– nss: Network Security Service library
Details:
It was discovered that NSS incorrectly handled certain certificates.
An attacker could possibly use this issue to cause a denial of service.
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://usn.ubuntu.com/4215-1
CVE-2019-17007
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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