Ubuntu alert USN-8071-2 (nss)

From:
             
 
noreply+usn-bot@canonical.com
To:
             
 
ubuntu-security-announce@lists.ubuntu.com
Subject:
             
 
[USN-8071-2] NSS vulnerability
Date:
             
 
Thu, 05 Mar 2026 14:47:30 +0000
Message-ID:
             
 
<E1vy9z8-0004L4-SR@lists.ubuntu.com>
==========================================================================
Ubuntu Security Notice USN-8071-2
March 05, 2026

nss vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

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:

USN-8071-1 fixed a vulnerability in nss. This update provides the
corresponding fix for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS,
and Ubuntu 20.04 LTS.

Original advisory 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.

Update instructions:

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

Ubuntu 20.04 LTS
  libnss3                         2:3.98-0ubuntu0.20.04.2+esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  libnss3                         2:3.35-2ubuntu2.16+esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libnss3                         2:3.28.4-0ubuntu0.16.04.14+esm5
                                  Available with Ubuntu Pro

Ubuntu 14.04 LTS
  libnss3                         2:3.28.4-0ubuntu0.14.04.5+esm13
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-8071-2
  https://ubuntu.com/security/notices/USN-8071-1
  CVE-2026-2781


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