Home / mailings [USN-2903-2] NSS regression
Posted on 23 February 2016
Ubuntu Security==========================
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Ubuntu Security Notice USN-2903-2
February 23, 2016
nss regression
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
Summary:
USN-2903-1 introduced a regression in NSS.
Software Description:
- nss: Network Security Service library
Details:
USN-2903-1 fixed a vulnerability in NSS. An incorrect package versioning
change in Ubuntu 12.04 LTS caused a regression when building software
against NSS. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Hanno B=C3=B6ck discovered that NSS incorrectly handled certain division=
functions, possibly leading to cryptographic weaknesses. (CVE-2016-1938)=
This update also refreshes the NSS package to version 3.21 which includ=
es
the latest CA certificate bundle, and removes the SPI CA.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 LTS:
libnss3-dev 2:3.21-0ubuntu0.12.04.2
In general, a standard system update will make all the necessary changes.=
References:
http://www.ubuntu.com/usn/usn-2903-2
http://www.ubuntu.com/usn/usn-2903-1
https://launchpad.net/bugs/1547147
Package Information:
https://launchpad.net/ubuntu/+source/nss/2:3.21-0ubuntu0.12.04.2