NSS could be made to crash or run programs if it received specially crafted network traffic.. ========================================================================== 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 . NSS on Ubuntu updates critical flaws that could crash systems or allow code execution via networktraffic.. Ubuntu NSS Denial Service Network Security. . Severity: Critical. LinuxSecurity.com Team
NSS could be made to expose sensitive information over the network.. =========================================================================Ubuntu Security Notice USN-2452-1 January 07, 2015 nss vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.10 - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS - Ubuntu 10.04 LTS Summary: NSS could be made to expose sensitive information over the network. Software Description: - nss: Network Security Service library Details: It was discovered that NSS incorrectly handled certain ASN.1 lengths. A remote attacker could possibly use this issue to perform a data-smuggling attack. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.10: libnss3 2:3.17.1-0ubuntu1.1 Ubuntu 14.04 LTS: libnss3 2:3.17.1-0ubuntu0.14.04.2 Ubuntu 12.04 LTS: libnss3 3.17.1-0ubuntu0.12.04.2 Ubuntu 10.04 LTS: libnss3-1d 3.17.1-0ubuntu0.10.04.2 After a standard system update you need to restart any applications that use NSS, such as Evolution and Chromium, to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-2452-1 CVE-2014-1569 Package Information: https://launchpad.net/ubuntu/+source/nss/2:3.17.1-0ubuntu1.1 https://launchpad.net/ubuntu/+source/nss/2:3.17.1-0ubuntu0.14.04.2 https://launchpad.net/ubuntu/+source/nss/3.17.1-0ubuntu0.12.04.2 https://launchpad.net/ubuntu/+source/nss/3.17.1-0ubuntu0.10.04.2 . Ubuntu Security Advisory USN-2453-1 unveils a flaw in OpenSSL that could lead to illicit access to protected information. Patch your systems promptly for enhanced safety.. NSS Vulnerability, Ubuntu Security Notice, Network Security Service. . LinuxSecurity.com Team
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