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

CVE-2019-11745

Source: USN-4203-1: NSS vulnerability

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