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AUSCERT External Security Bulletin Redistribution
USN-4476-1: NSS vulnerability
28 August 2020
AusCERT Security Bulletin Summary
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Access Confidential Data -- Remote with User Interaction
CVE Names: CVE-2020-12403
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running nss check for an updated version of the software for their
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USN-4476-1: NSS vulnerability
27 August 2020
NSS could be made to expose sensitive information if it received a specially crafted
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
o Ubuntu 14.04 ESM
o Ubuntu 12.04 ESM
o nss - Network Security Service library
It was discovered that NSS incorrectly handled some inputs.
An attacker could possibly use this issue to expose sensitive information.
The problem can be corrected by updating your system to the following package
o libnss3 - 2:3.49.1-1ubuntu1.5
o libnss3 - 2:3.35-2ubuntu2.12
o libnss3 - 2:3.28.4-0ubuntu0.16.04.14
o libnss3 - 2:3.28.4-0ubuntu0.14.04.5+esm8
o libnss3 - 2:3.28.4-0ubuntu0.12.04.11
After a standard system update you need to reboot your computer to make
all the necessary changes.
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