Detections
Analytics
Amazon Linux 2023 : python3.12, python3.12-devel, python3.12-idle (ALAS2023-2026-1557)
high Nessus Plugin ID 306229
Language:
Synopsis
The remote Amazon Linux 2023 host is missing a security update.Description
It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1557 advisory.The webbrowser.open() API would accept leading dashes in the URL whichcould be handled as command line options for certain web browsers. Newbehavior rejects leading dashes. Users are recommended to sanitize URLsprior to passing to webbrowser.open(). (CVE-2026-4519)
Tenable has extracted the preceding description block directly from the tested product security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Run 'dnf update python3.12 --releasever 2023.11.20260413' or or 'dnf update --advisory ALAS2023-2026-1557 --releasever 2023.11.20260413' to update your system.See Also
https://alas.aws.amazon.com//AL2023/ALAS2023-2026-1557.html
Plugin Details
Severity: High
ID: 306229
File Name: al2023_ALAS2023-2026-1557.nasl
Version: 1.2
Type: Local
Agent: unix
Published: 4/13/2026
Updated: 4/17/2026
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 2.2
CVSS v2
Risk Factor: Low
Base Score: 2.1
Temporal Score: 1.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:N
CVSS Score Source: CVE-2026-4519
CVSS v3
Risk Factor: Low
Base Score: 3.3
Temporal Score: 2.9
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 7
Threat Score: 3.7
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:python3.12-idle, p-cpe:/a:amazon:linux:python3.12-debugsource, p-cpe:/a:amazon:linux:python3.12-test, p-cpe:/a:amazon:linux:python3.12-libs, p-cpe:/a:amazon:linux:python3.12-devel, p-cpe:/a:amazon:linux:python3.12-debug, p-cpe:/a:amazon:linux:python3.12-debuginfo, p-cpe:/a:amazon:linux:python3.12-tkinter, p-cpe:/a:amazon:linux:python3.12, cpe:/o:amazon:linux:2023
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 4/13/2026
Vulnerability Publication Date: 3/20/2026
Reference Information
CVE: CVE-2026-4519