Detections
Analytics
Linux Distros Unpatched Vulnerability : CVE-2026-57053
low Nessus Plugin ID 323653
Language:
Synopsis
The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.Description
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.- GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs because of mishandling in idna_to_unicode_internal. The affected code is not present in libidn2.
(CVE-2026-57053)
Note that Nessus relies on the presence of the package as reported by the vendor.
Solution
There is no known solution at this time.See Also
https://access.redhat.com/security/cve/cve-2026-57053
Plugin Details
Severity: Low
ID: 323653
File Name: unpatched_CVE_2026_57053.nasl
Version: 1.7
Type: Local
Agent: unix
Family: Misc.
Published: 6/29/2026
Updated: 8/5/2026
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 1.2
Percentile: 0.01
CVSS v2
Risk Factor: Low
Base Score: 1
Temporal Score: 0.9
Vector: CVSS2#AV:L/AC:H/Au:S/C:N/I:P/A:N
CVSS Score Source: CVE-2026-57053
CVSS v3
Risk Factor: Low
Base Score: 2.5
Temporal Score: 2.4
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Temporal Vector: CVSS:3.0/E:P/RL:U/RC:C
Vulnerability Information
CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:25.10, cpe:/o:centos:centos:7, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:11.0, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:canonical:ubuntu_linux:libidn, p-cpe:/a:centos:centos:emacs-libidn, p-cpe:/a:centos:centos:libidn-devel, p-cpe:/a:centos:centos:libidn, p-cpe:/a:debian:debian_linux:libidn, p-cpe:/a:redhat:enterprise_linux:emacs-libidn, p-cpe:/a:redhat:enterprise_linux:libidn-devel, p-cpe:/a:redhat:enterprise_linux:libidn
Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier
Exploit Available: true
Exploit Ease: Exploits are available
Vulnerability Publication Date: 6/23/2026
Reference Information
CVE: CVE-2026-57053