Detections
Analytics
Amazon Linux 2023 : nspr, nspr-devel, nss (ALAS2023-2026-3242)
critical Nessus Plugin ID 371856
Synopsis
The remote Amazon Linux 2023 host is missing a security update.Description
It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-3242 advisory.Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152. (CVE-2026-12318)
Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153. (CVE-2026-16389)
Tenable has extracted the preceding description block directly from the tested product security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Run 'dnf update nss --releasever 2023.12.20261026' or or 'dnf update --advisory ALAS2023-2026-3242 --releasever 2023.12.20261026' to update your system.See Also
https://alas.aws.amazon.com//AL2023/ALAS2023-2026-3242.html
https://alas.aws.amazon.com/faqs.html
Plugin Details
Severity: Critical
ID: 371856
File Name: al2023_ALAS2023-2026-3242.nasl
Version: 1.1
Type: Local
Agent: unix
Published: 10/25/2026
Updated: 10/25/2026
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.9
Percentile: 58.22
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-16389
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:nspr-debuginfo, p-cpe:/a:amazon:linux:nspr-devel, p-cpe:/a:amazon:linux:nspr, p-cpe:/a:amazon:linux:nss-debuginfo, p-cpe:/a:amazon:linux:nss-debugsource, p-cpe:/a:amazon:linux:nss-devel, p-cpe:/a:amazon:linux:nss-pkcs11-devel, p-cpe:/a:amazon:linux:nss-softokn-debuginfo, p-cpe:/a:amazon:linux:nss-softokn-devel, p-cpe:/a:amazon:linux:nss-softokn-freebl-debuginfo, p-cpe:/a:amazon:linux:nss-softokn-freebl-devel, p-cpe:/a:amazon:linux:nss-softokn-freebl, p-cpe:/a:amazon:linux:nss-softokn, p-cpe:/a:amazon:linux:nss-sysinit-debuginfo, p-cpe:/a:amazon:linux:nss-sysinit, p-cpe:/a:amazon:linux:nss-tools-debuginfo, p-cpe:/a:amazon:linux:nss-tools, p-cpe:/a:amazon:linux:nss-util-debuginfo, p-cpe:/a:amazon:linux:nss-util-devel, p-cpe:/a:amazon:linux:nss-util, p-cpe:/a:amazon:linux:nss
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 10/24/2026
Vulnerability Publication Date: 6/15/2026
Reference Information
CVE: CVE-2026-12318, CVE-2026-16389