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USN-5410-1: NSS vulnerability

11 May 2022

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

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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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 20.04
Ubuntu 18.04

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

References

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Further reading