1. Ubuntu Security Notices
  2. USN-5410-1

USN-5410-1: NSS vulnerability

Publication date

11 May 2022

Overview

NSS could be made to stop responding if it received a specially crafted message.

Releases

Packages

  • nss - Network Security Service library

Details

Lenny Wang discovered that NSS incorrectly handled certain
messages. A remote attacker could possibly use this issue to cause
servers compiled with NSS to stop responding, resulting in a denial of service.

Lenny Wang discovered that NSS incorrectly handled certain
messages. A remote attacker could possibly use this issue to cause
servers compiled with NSS to stop responding, resulting in a denial of service.

Update instructions

After a standard system update you need to restart any applications that use NSS to make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.04 focal libnss3 –  2:3.49.1-1ubuntu1.7
18.04 bionic libnss3 –  2:3.35-2ubuntu2.14

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References

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