USN-4203-1: NSS vulnerability
nss vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 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
It was discovered that NSS incorrectly handled certain memory operations. A
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 versions:
- Ubuntu 19.10
- libnss3 – 2:3.45-1ubuntu2.1
- Ubuntu 19.04
- libnss3 – 2:3.42-1ubuntu2.3
- Ubuntu 18.04 LTS
- libnss3 – 2:3.35-2ubuntu2.5
- Ubuntu 16.04 LTS
- libnss3 – 2:3.28.4-0ubuntu0.16.04.8
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, to make all the necessary changes.
References
Source: USN-4203-1: NSS vulnerability
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