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Ubuntu 25.10 NSS Important Memory Crash Denial of Service USN-8071-1

ubuntu
Calendar Grey March 4, 2026
Dist Ubuntu Esm H88
NSS on Ubuntu can lead to crashes or code execution from crafted traffic. Immediate updates required.
NSS could be made to crash or run programs if it received specially crafted network traffic.

Summary

NSS could be made to crash or run programs if it received specially crafted

network traffic.

Software Description:

- nss: Network Security Service library

Details:

It was discovered that NSS incorrectly handled memory when performing

certain GHASH operations. A remote attacker could use this issue to cause

NSS to crash, resulting in a denial of service, or possibly execute

arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important memory issue NSS

Update Instructions

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

Ubuntu 25.10
  libnss3                         2:3.114-1ubuntu0.1

Ubuntu 24.04 LTS
  libnss3                         2:3.98-1ubuntu0.1

Ubuntu 22.04 LTS
  libnss3                         2:3.98-0ubuntu0.22.04.3

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-8071-1

CVE-2026-2781

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8071-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important memory issue NSS

Package Information

https://launchpad.net/ubuntu/+source/nss/2:3.114-1ubuntu0.1
https://launchpad.net/ubuntu/+source/nss/2:3.98-1ubuntu0.1
https://launchpad.net/ubuntu/+source/nss/2:3.98-0ubuntu0.22.04.3

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