Ubuntu Security Notice USN-2924-1
9th March, 2016
nss vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 15.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
NSS could be made to crash or run programs if it received specially crafted
input.
Software description
- nss
– Network Security Service library
Details
Francis Gabriel discovered that NSS incorrectly handled decoding certain
ASN.1 data. An remote attacker could use this issue to cause NSS to crash,
resulting in a denial of service, or possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 15.10:
-
libnss3
2:3.21-0ubuntu0.15.10.2
- Ubuntu 14.04 LTS:
-
libnss3
2:3.21-0ubuntu0.14.04.2
- Ubuntu 12.04 LTS:
-
libnss3
2:3.21-0ubuntu0.12.04.3
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart any applications that
use NSS, such as Evolution and Chromium, to make all the necessary changes.