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Ubuntu 20.04 LTS: USN-4476-1 Critical: NSS Input Handling Issue

ubuntu
Calendar Grey August 27, 2020
Dist Ubuntu Esm H88
Urgent NSS security patch released for Ubuntu addressing confidential data leak risk. Make sure to upgrade to the most recent versions of the affected packages.
NSS could be made to expose sensitive information if it received a specially crafted input.

Summary

NSS could be made to expose sensitive information if it received a specially crafted

input.

Software Description:

- nss: Network Security Service library

Details:

It was discovered that NSS incorrectly handled some inputs.

An attacker could possibly use this issue to expose sensitive information.

Topics%20covered

Topics Covered

security advisory security issue software update Ubuntu information exposure input handling nss

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  libnss3                         2:3.49.1-1ubuntu1.5

Ubuntu 18.04 LTS:
  libnss3                         2:3.35-2ubuntu2.12

Ubuntu 16.04 LTS:
  libnss3                         2:3.28.4-0ubuntu0.16.04.14

Ubuntu 14.04 ESM:
  libnss3                         2:3.28.4-0ubuntu0.14.04.5+esm8

Ubuntu 12.04 ESM:
  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.

References

https://ubuntu.com/security/notices/USN-4476-1

CVE-2020-12403

Severity
critical
Lowest
Low
Medium
High
Critical

August 27, 2020

Topics%20covered

Topics Covered

security advisory security issue software update Ubuntu information exposure input handling nss

Package Information

https://launchpad.net/ubuntu/+source/nss/2:3.49.1-1ubuntu1.5
https://launchpad.net/ubuntu/+source/nss/2:3.35-2ubuntu2.12
https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.16.04.14

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